Higher CPU and Slow Performance after Migration to 12c with Top Sql as SELECT DEFAULT$ FROM COL$ WHERE ROWID=:1 (SQL_ID: 47r1y8yn34jmj) (Doc ID 2013851.1)

Last updated on APRIL 08, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

 

Changes

 Upgraded to 12c from 11g. 

Cause

Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms