Contents
Why do we need to close database connection?
Any new connection you establish that has exactly the same connection string will be able to reuse the connection from the pool. We strongly recommend that you always close the connection when you are finished using it so that the connection will be returned to the pool.
What happens if you don’t close your database connection before ending execution of a Java program?
If we don’t close the connection, it will lead to connection memory leakage. Unless/until application server/web server is shut down, connection will remain activate even though the user logs out.
Why should we close database connection in Java?
It’s always a best practice to close the connections on your own, without depending on other drivers and templates to handle closing. Failure of closing the connection will result in the sockets and resources open forever until a crash(no more resource scenario) or restart.
Is it necessary to close JDBC connection?
It is important to close a JDBC Connection once you are done with it. A database connection takes up an amount of resources, both inside your own application, but especially on the database server.
Is it mandatory to close the connection?
At the end of your JDBC program, it is required explicitly to close all the connections to the database to end each database session. However, if you forget, Java’s garbage collector will close the connection when it cleans up stale objects.
Does using close SQL connection?
According to MSDN documentation for the Close method: you must explicitly close the connection by calling Close or Dispose. Close and Dispose are functionally equivalent. Therefore, calling Dispose (implicitly so, even, using using ) will cover your bases, as it were.
Do I need to close SQL connection?
It’s recommended to call Close or Dispose to close the connections or open the connections inside of a using block. In this way, the connections will be returned to the pool for future reuse. Please remember to mark the replies as answers if they help and unmark them if they provide no help.