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 MARCH 29, 2017

Applies to:

Oracle Warehouse Builder - Version 11.2.0.3 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

After upgrade of the database from 11.2.0.3 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.

Changes

Database upgrade from 11.2.0.3 to 12.1.0.2

Cause

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