How to fix the Oracle error ORA-09988: error while detaching SGA?

In this post, you’ll learn more about the Oracle ErrorORA-09988: error while detaching SGA with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-09988: error while detaching SGA

Reason for the Error ORA-09988: error while detaching SGA

skgmsdef struct is corrupted and/or segment addresses are modified

How to fix the Error ORA-09988: error while detaching SGA ?

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

Safely shut down instance and mount SGA segments again.

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