My Oracle Support Banner

Alert.log: ORA-600 [kwqitFreeIndexBlocks:deq index info is 0] (Doc ID 1299868.1)

Last updated on DECEMBER 20, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.


The following ORA-600 errors appear in the alert log of a 11.2 database.

You might also notice the below warning message, before these errors.

kwqmLoadScIndexInfo:Warning deq index load failed for
kwqmLoadScIndexInfo:Warning time index load failed for


This could occur after a database upgrade to 11.2.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.