How to fix the error ORA-00023: session references process private memory; cannot detach session?

In this post, you’ll learn more about the Oracle ErrorORA-00023: session references process private memory; cannot detach session with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00023: session references process private memory; cannot detach session

Reason for the Error ORA-00023: session references process private memory; cannot detach session

An attempt was made to detach the current session when it contains references to process private memory.

How to fix the Error ORA-00023: session references process private memory; cannot detach session ?

You can fix this error in Oracle by following the below steps

A session may contain references to process memory (PGA) if it has an open network connection, a very large context area, or operating system privileges. To allow the detach, it may be necessary to close the session’s database links and/or cursors. Detaching a session with operating system privileges is always disallowed.