app.py

# https://www.youtube.com/watch?v=T6lMgciw8o8&t=232s
import mysql.connector
import streamlit as st
from mysql import connector

# Establish a connection to MySQL Server

mydb = connector.connect(
    host="database-1.cs0xk0lbm7wp.ap-southeast-2.rds.amazonaws.com",
    user="admin",
    password="yY10130627",
    database="pets"
)


mycursor=mydb.cursor()
st.write("Connection Established")
# mycursor.execute("select * from mytable")
mycursor.execute("select * from users")
result = mycursor.fetchall()
for row in result:
    st.write(row)


# Create Streamlit App

def main():
    st.title("CRUD Operations With MySQL");

    # Display Options for CRUD Operations
    option=st.sidebar.selectbox("Select an Operation",("Create","Read","Update","Delete"))
    # Perform Selected CRUD Operations
    if option=="Create":
        st.subheader("Create a Record")
        name=st.text_input("Enter Name")
        email=st.text_input("Enter Email")
        if st.button("Create"):
            sql= "insert into users(name,email) values(%s,%s)"
            val= (name,email)
            mycursor.execute(sql,val)
            mydb.commit()
            st.success("Record Created Successfully!!!")



    elif option=="Read":
        st.subheader("Read Records")
        mycursor.execute("select * from users")
        result = mycursor.fetchall()
        for row in result:
            st.write(row)



    elif option=="Update":
        st.subheader("Update a Record")
        id=st.number_input("Enter ID",min_value=1)
        name=st.text_input("Enter New Name")
        email=st.text_input("Enter New Email")
        if st.button("Update"):
            sql="update users set name=%s, email=%s where id =%s"
            val=(name,email,id)
            mycursor.execute(sql,val)
            mydb.commit()
            st.success("Record Updated Successfully!!!")

    elif option=="Delete":
        st.subheader("Delete a Record")
        id=st.number_input("Enter ID",min_value=1)
        if st.button("Delete"):
            sql="delete from users where id =%s"
            val=(id,)
            mycursor.execute(sql,val)
            mydb.commit()
            st.success("Record Deleted Successfully!!!")


if __name__ == "__main__":
    main()