How to Close a Database Connection in Python?

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To close a database connection in Python, you can use the close() method provided by the database connector. The process may vary depending on the specific database library you are using. Here’s a general example of how to close a database connection using the close() method:

import sqlite3

# Establish a connection to the database
conn = sqlite3.connect("mydatabase.db")

# Perform database operations

# Close the connection
conn.close()

In this example, we establish a connection to a SQLite database using the connect() method provided by the sqlite3 module. The connection object is assigned to the variable conn.

After performing the necessary database operations, we close the connection by calling the close() method on the connection object.

It’s important to close the database connection after you have finished working with the database. Closing the connection ensures that any pending transactions are committed, resources are released, and the connection is properly closed.

Note that the specific method to establish a database connection may vary depending on the database library you are using (e.g., mysql.connector.connect() for MySQL, psycopg2.connect() for PostgreSQL, etc.). Similarly, the method to close the connection may also vary slightly depending on the library. Please refer to the documentation or reference material specific to your chosen database library for the correct method to close the connection.

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