Performance Issue with Update Statement in Compressed Tablespace (Doc ID 1101900.1)

Last updated on SEPTEMBER 14, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Information in this document applies to any platform.

Symptoms

Oracle 11.1.0.7

Full table update statement (With 1.2 Million records) is running very slow (taking forever) with Advanced Compression enabled for the tablespace containing that table. Duplicated the table in a different tablespace with Advanced Compression Off and the same update statement executed in couple of minutes.

Cause

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