?How can I connect to a MySQL database using Python

To connect to a MySQL database using Python, you can use a library called mysql-connector-python. First, you need to install it if you haven't already: bash Copy code pip install mysql-connector-python Then, you can use the following Python code to establish a connection: python Copy code import mysql.connector # Replace these values with your database credentials host = "your_hostname" user = "your_username" password = "your_password" database = "your_database_name" # Establish a connection conn = mysql.connector.connect(host=host, user=user, password=password, database=database) # Create a cursor to interact with the database cursor = conn.cursor() # Now you can execute SQL queries using the cursor # Don't forget to close the cursor and connection when done cursor.close() conn.close()

?How do I fetch data from a PostgreSQL database and display it in Python

You can fetch data from a PostgreSQL database and display it in Python using the psycopg2 library. First, install it if you haven't already: bash Copy code pip install psycopg2 Here's an example of how to connect to a PostgreSQL database and fetch data: python Copy code import psycopg2 # Replace these values with your database credentials host = "your_hostname" user = "your_username" password = "your_password" database = "your_database_name" # Establish a connection conn = psycopg2.connect(host=host, user=user, password=password, database=database) # Create a cursor to interact with the database cursor = conn.cursor() # Execute an SQL query to fetch data cursor.execute("SELECT * FROM your_table_name") # Fetch all the rows rows = cursor.fetchall() # Display the data for row in rows: print(row) # Don't forget to close the cursor and connection when done cursor.close() conn.close()

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