My Oracle Support Banner

OWB Performance: It Takes Long Time - up to 3 Hours to Open Design Center After Database Upgrade from 11.2 to 12.1.0.X (Doc ID 2122268.1)

Last updated on FEBRUARY 01, 2022

Applies to:

Oracle Warehouse Builder - Version to [Release 11.2]
Information in this document applies to any platform.


After upgrade of the database from to 12.1.0.X, OWB performance is bad. It takes the Design Center 3 hours to open, 30 minutes to expand "Locations" on the Locations Navigator.

In OEM, each time a select from CMPSCOElement_V is the current SQL.


Database upgrade from to


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.