How to Close Database Connections

In different programming languages and databases, there may be various ways to disconnect from a database. Generally speaking, here are some common methods:

1. Use specific statements or functions to close the database connection. For example, in Java, use connection.close() to close the connection, and in Python, use connection.close() to close the connection.
2. Ensure to close all open database connections at the end of the program to release resources and maintain data integrity.
3. If using a connection pool to manage database connections, make sure to close the connection pool when the program ends to prevent resource leaks.
4. To improve efficiency, it is advisable to avoid repeatedly opening and closing database connections within a loop by placing these operations at the appropriate location in the program.

In general, it is important to close database connections promptly to prevent resource leakage and enhance program performance and stability.