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-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are card ids, customer ids, card types, and card numbers for each customer card?
| SELECT card_id , customer_id , card_type_code , card_number FROM Customers_cards; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show the date valid from and the date valid to for the card with card number '4560596484842'.
| SELECT date_valid_from , date_valid_to FROM Customers_cards WHERE card_number = "4560596484842"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the valid from and valid to dates for the card with the number 4560596484842?
| SELECT date_valid_from , date_valid_to FROM Customers_cards WHERE card_number = "4560596484842"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What is the first name, last name, and phone of the customer with card 4560596484842.
| SELECT T2.customer_first_name , T2.customer_last_name , T2.customer_phone FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T1.card_number = "4560596484842"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Return the full name and phone of the customer who has card number 4560596484842.
| SELECT T2.customer_first_name , T2.customer_last_name , T2.customer_phone FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T1.card_number = "4560596484842"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- How many cards does customer Art Turcotte have?
| SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Art" AND T2.customer_last_name = "Turcotte"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Count the number of cards the customer with the first name Art and last name Turcotte has.
| SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Art" AND T2.customer_last_name = "Turcotte"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- How many debit cards do we have?
| SELECT count(*) FROM Customers_cards WHERE card_type_code = "Debit"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Count the number of customer cards of the type Debit.
| SELECT count(*) FROM Customers_cards WHERE card_type_code = "Debit"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- How many credit cards does customer Blanche Huels have?
| SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Blanche" AND T2.customer_last_name = "Huels" AND T1.card_type_code = "Credit"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Count the number of credit cards that the customer with first name Blanche and last name Huels has.
| SELECT count(*) FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE T2.customer_first_name = "Blanche" AND T2.customer_last_name = "Huels" AND T1.card_type_code = "Credit"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show all customer ids and the number of cards owned by each customer.
| SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different customer ids, and how many cards does each one hold?
| SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What is the customer id with most number of cards, and how many does he have?
| SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Return the id of the customer who has the most cards, as well as the number of cards.
| SELECT customer_id , count(*) FROM Customers_cards GROUP BY customer_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show id, first and last names for all customers with at least two cards.
| SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id HAVING count(*) >= 2; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the ids and full names of customers who hold two or more cards?
| SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id HAVING count(*) >= 2; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What is the customer id, first and last name with least number of accounts.
| SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Return the id and full name of the customer who has the fewest accounts.
| SELECT T1.customer_id , T2.customer_first_name , T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show all card type codes and the number of cards in each type.
| SELECT card_type_code , count(*) FROM Customers_cards GROUP BY card_type_code; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different card types, and how many cards are there of each?
| SELECT card_type_code , count(*) FROM Customers_cards GROUP BY card_type_code; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What is the card type code with most number of cards?
| SELECT card_type_code FROM Customers_cards GROUP BY card_type_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Return the code of the card type that is most common.
| SELECT card_type_code FROM Customers_cards GROUP BY card_type_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show card type codes with at least 5 cards.
| SELECT card_type_code FROM Customers_cards GROUP BY card_type_code HAVING count(*) >= 5; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the codes of card types that have 5 or more cards?
| SELECT card_type_code FROM Customers_cards GROUP BY card_type_code HAVING count(*) >= 5; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show all card type codes and the number of customers holding cards in each type.
| SELECT card_type_code , count(DISTINCT customer_id) FROM Customers_cards GROUP BY card_type_code; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different card type codes, and how many different customers hold each type?
| SELECT card_type_code , count(DISTINCT customer_id) FROM Customers_cards GROUP BY card_type_code; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show the customer ids and firstname without a credit card.
| SELECT customer_id , customer_first_name FROM Customers EXCEPT SELECT T1.customer_id , T2.customer_first_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE card_type_code = "Credit"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the ids and first names of customers who do not hold a credit card?
| SELECT customer_id , customer_first_name FROM Customers EXCEPT SELECT T1.customer_id , T2.customer_first_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id WHERE card_type_code = "Credit"; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show all card type codes.
| SELECT DISTINCT card_type_code FROM Customers_Cards; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different card type codes?
| SELECT DISTINCT card_type_code FROM Customers_Cards; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show the number of card types.
| SELECT count(DISTINCT card_type_code) FROM Customers_Cards; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- How many different card types are there?
| SELECT count(DISTINCT card_type_code) FROM Customers_Cards; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show all transaction types.
| SELECT DISTINCT transaction_type FROM Financial_Transactions; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different types of transactions?
| SELECT DISTINCT transaction_type FROM Financial_Transactions; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show the number of transaction types.
| SELECT count(DISTINCT transaction_type) FROM Financial_Transactions; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- How many different types of transactions are there?
| SELECT count(DISTINCT transaction_type) FROM Financial_Transactions; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What is the average and total transaction amount?
| SELECT avg(transaction_amount) , sum(transaction_amount) FROM Financial_transactions; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Return the average transaction amount, as well as the total amount of all transactions.
| SELECT avg(transaction_amount) , sum(transaction_amount) FROM Financial_transactions; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show the card type codes and the number of transactions.
| SELECT T2.card_type_code , count(*) FROM Financial_transactions AS T1 JOIN Customers_cards AS T2 ON T1.card_id = T2.card_id GROUP BY T2.card_type_code; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different card types, and how many transactions have been made with each?
| SELECT T2.card_type_code , count(*) FROM Financial_transactions AS T1 JOIN Customers_cards AS T2 ON T1.card_id = T2.card_id GROUP BY T2.card_type_code; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show the transaction type and the number of transactions.
| SELECT transaction_type , count(*) FROM Financial_transactions GROUP BY transaction_type; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different transaction types, and how many transactions of each have taken place?
| SELECT transaction_type , count(*) FROM Financial_transactions GROUP BY transaction_type; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What is the transaction type that has processed the greatest total amount in transactions?
| SELECT transaction_type FROM Financial_transactions GROUP BY transaction_type ORDER BY sum(transaction_amount) DESC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Return the type of transaction with the highest total amount.
| SELECT transaction_type FROM Financial_transactions GROUP BY transaction_type ORDER BY sum(transaction_amount) DESC LIMIT 1; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- Show the account id and the number of transactions for each account
| SELECT account_id , count(*) FROM Financial_transactions GROUP BY account_id; |
-- Database schema
| Accounts : account_id [ INT ] primary_key , customer_id [ INT ] , account_name [ TEXT ] , other_account_details [ TEXT ] | Customers : customer_id [ INT ] primary_key , customer_first_name [ TEXT ] , customer_last_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] , other_customer_details [ TEXT ] | Customers_Cards : card_id [ INT ] primary_key , customer_id [ INT ] , card_type_code [ TEXT ] , card_number [ TEXT ] , date_valid_from [ TEXT ] , date_valid_to [ TEXT ] , other_card_details [ TEXT ] | Financial_Transactions : transaction_id [ INT ] , previous_transaction_id [ INT ] , account_id [ INT ] Financial_Transactions.account_id = Accounts.account_id , card_id [ INT ] Financial_Transactions.card_id = Customers_Cards.card_id , transaction_type [ TEXT ] , transaction_date [ TEXT ] , transaction_amount [ INT ] , transaction_comment [ TEXT ] , other_transaction_details [ TEXT ] |
-- -- What are the different account ids that have made financial transactions, as well as how many transactions correspond to each?
| SELECT account_id , count(*) FROM Financial_transactions GROUP BY account_id; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- How many tracks do we have?
| SELECT count(*) FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Count the number of tracks.
| SELECT count(*) FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show the name and location for all tracks.
| SELECT name , LOCATION FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names and locations of all tracks?
| SELECT name , LOCATION FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show names and seatings, ordered by seating for all tracks opened after 2000.
| SELECT name , seating FROM track WHERE year_opened > 2000 ORDER BY seating; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names and seatings for all tracks opened after 2000, ordered by seating?
| SELECT name , seating FROM track WHERE year_opened > 2000 ORDER BY seating; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What is the name, location and seating for the most recently opened track?
| SELECT name , LOCATION , seating FROM track ORDER BY year_opened DESC LIMIT 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Return the name, location, and seating of the track that was opened in the most recent year.
| SELECT name , LOCATION , seating FROM track ORDER BY year_opened DESC LIMIT 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What is the minimum, maximum, and average seating for all tracks.
| SELECT min(seating) , max(seating) , avg(seating) FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Return the minimum, maximum, and average seating across all tracks.
| SELECT min(seating) , max(seating) , avg(seating) FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show the name, location, open year for all tracks with a seating higher than the average.
| SELECT name , LOCATION , year_opened FROM track WHERE seating > (SELECT avg(seating) FROM track); |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names, locations, and years of opening for tracks with seating higher than average?
| SELECT name , LOCATION , year_opened FROM track WHERE seating > (SELECT avg(seating) FROM track); |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are distinct locations where tracks are located?
| SELECT DISTINCT LOCATION FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Give the different locations of tracks.
| SELECT DISTINCT LOCATION FROM track; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- How many races are there?
| SELECT count(*) FROM race; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Count the number of races.
| SELECT count(*) FROM race; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the distinct classes that races can have?
| SELECT DISTINCT CLASS FROM race; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Return the different classes of races.
| SELECT DISTINCT CLASS FROM race; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show name, class, and date for all races.
| SELECT name , CLASS , date FROM race; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names, classes, and dates for all races?
| SELECT name , CLASS , date FROM race; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show the race class and number of races in each class.
| SELECT CLASS , count(*) FROM race GROUP BY CLASS; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the different classes of races, and how many races correspond to each?
| SELECT CLASS , count(*) FROM race GROUP BY CLASS; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What is the race class with most number of races.
| SELECT CLASS FROM race GROUP BY CLASS ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Give the class of races that is most common.
| SELECT CLASS FROM race GROUP BY CLASS ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- List the race class with at least two races.
| SELECT CLASS FROM race GROUP BY CLASS HAVING count(*) >= 2; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the classes of races that have two or more corresponding races?
| SELECT CLASS FROM race GROUP BY CLASS HAVING count(*) >= 2; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names for tracks without a race in class 'GT'.
| SELECT name FROM track EXCEPT SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id WHERE T1.class = 'GT'; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Give the names of tracks that do not have a race in the class 'GT'.
| SELECT name FROM track EXCEPT SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id WHERE T1.class = 'GT'; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show all track names that have had no races.
| SELECT name FROM track WHERE track_id NOT IN (SELECT track_id FROM race); |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Return the names of tracks that have no had any races.
| SELECT name FROM track WHERE track_id NOT IN (SELECT track_id FROM race); |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show year where a track with a seating at least 5000 opened and a track with seating no more than 4000 opened.
| SELECT year_opened FROM track WHERE seating BETWEEN 4000 AND 5000; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the years of opening for tracks with seating between 4000 and 5000?
| SELECT year_opened FROM track WHERE seating BETWEEN 4000 AND 5000; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show the name of track and the number of races in each track.
| SELECT T2.name , count(*) FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names of different tracks, and how many races has each had?
| SELECT T2.name , count(*) FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show the name of track with most number of races.
| SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What is the name of the track that has had the greatest number of races?
| SELECT T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show the name and date for each race and its track name.
| SELECT T1.name , T1.date , T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names and dates of races, and the names of the tracks where they are held?
| SELECT T1.name , T1.date , T2.name FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Show the name and location of track with 1 race.
| SELECT T2.name , T2.location FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id HAVING count(*) = 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the names and locations of tracks that have had exactly 1 race?
| SELECT T2.name , T2.location FROM race AS T1 JOIN track AS T2 ON T1.track_id = T2.track_id GROUP BY T1.track_id HAVING count(*) = 1; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- Find the locations where have both tracks with more than 90000 seats and tracks with less than 70000 seats.
| SELECT LOCATION FROM track WHERE seating > 90000 INTERSECT SELECT LOCATION FROM track WHERE seating < 70000; |
-- Database schema
| race : Race_ID [ INT ] primary_key , Name [ TEXT ] , Class [ TEXT ] , Date [ TEXT ] , Track_ID [ TEXT ] race.Track_ID = track.Track_ID | track : Track_ID [ INT ] primary_key , Name [ TEXT ] , Location [ TEXT ] , Seating [ INT ] , Year_Opened [ INT ] |
-- -- What are the locations that have both tracks with more than 90000 seats, and tracks with fewer than 70000 seats?
| SELECT LOCATION FROM track WHERE seating > 90000 INTERSECT SELECT LOCATION FROM track WHERE seating < 70000; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- How many members have the black membership card?
| SELECT count(*) FROM member WHERE Membership_card = 'Black'; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Find the number of members living in each address.
| SELECT count(*) , address FROM member GROUP BY address; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Give me the names of members whose address is in Harford or Waterbury.
| SELECT name FROM member WHERE address = 'Harford' OR address = 'Waterbury'; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Find the ids and names of members who are under age 30 or with black membership card.
| SELECT name , member_id FROM member WHERE Membership_card = 'Black' OR age < 30; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Find the purchase time, age and address of each member, and show the results in the order of purchase time.
| SELECT Time_of_purchase , age , address FROM member ORDER BY Time_of_purchase; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Which membership card has more than 5 members?
| SELECT Membership_card FROM member GROUP BY Membership_card HAVING count(*) > 5; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Which address has both members younger than 30 and members older than 40?
| SELECT address FROM member WHERE age < 30 INTERSECT SELECT address FROM member WHERE age > 40; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- What is the membership card held by both members living in Hartford and ones living in Waterbury address?
| SELECT membership_card FROM member WHERE address = 'Hartford' INTERSECT SELECT membership_card FROM member WHERE address = 'Waterbury'; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- How many members are not living in Hartford?
| SELECT count(*) FROM member WHERE address != 'Hartford'; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Which address do not have any member with the black membership card?
| SELECT address FROM member EXCEPT SELECT address FROM member WHERE Membership_card = 'Black'; |
-- Database schema
| shop : Shop_ID [ INT ] primary_key , Address [ TEXT ] , Num_of_staff [ TEXT ] , Score [ INT ] , Open_Year [ TEXT ] | member : Member_ID [ INT ] primary_key , Name [ TEXT ] , Membership_card [ TEXT ] , Age [ INT ] , Time_of_purchase [ INT ] , Level_of_membership [ INT ] , Address [ TEXT ] | happy_hour : HH_ID [ INT ] primary_key , Shop_ID [ INT ] happy_hour.Shop_ID = shop.Shop_ID , Month [ TEXT ] , Num_of_shaff_in_charge [ INT ] | happy_hour_member : HH_ID [ INT ] primary_key , Member_ID [ INT ] happy_hour_member.Member_ID = member.Member_ID , Total_amount [ INT ] |
-- -- Show the shop addresses ordered by their opening year.
| SELECT address FROM shop ORDER BY open_year; |
Subsets and Splits