# SQL extension connection caching
<a name="sagemaker-sql-extension-features-connection-caching"></a>

The SQL extension extension defaults to caching connections to prevent the creation of multiple connections for the same set of connection properties. The cached connections can be managed using the `%sm_sql_manage` magic command.

The following topics describe how to manage your cached connections.

**Topics**
+ [Create cached connections](sagemaker-sql-extension-features-create-cached-connection.md)
+ [List cached connections](sagemaker-sql-extension-features-list-cached-connection.md)
+ [Clear cached connections](sagemaker-sql-extension-features-clear-cached-connection.md)
+ [Disable cached connections](sagemaker-sql-extension-features-disable-cached-connection.md)