How can I keep Oracle SQL Developer from closing the DB connection?

Question

Is there any way to keep Oracle SQL Developer from closing my DB connections, or to increase the timeout? Sometimes during a long-running query SQL Dev will just close the conne

Answer 1

#1. Check with th3 DBA what is the user's profile of the used connecting. Then check inactivity timeouts for the profile.

#2. Change the connection setting in SQL Developer to Connection Type=Basic and use SID (not Service Name).

If you use Connection Type=TNSNAMES or Service Name instead of SID - the connections will be dropped.