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UPDATE DML Almost Twice as Slow for ROW STORE COMPRESS ADVANCED Table in 12.2 after Changing COMPATIBLE Parameter from 11.2.0.4 To 12.2.0.1 (Doc ID 2604718.1)

Last updated on OCTOBER 28, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

In a 12.2 database, after changing the COMPATIBLE parameter from 11.2.0.4 to 12.2.0.1, an UPDATE statement on a table with ROW STORE COMPRESS ADVANCED compression is almost twice as slow as before the change.

Changes

 The COMPATIBLE parameter was changed from 11.2.0.4 to 12.2.0.1 in a 12.2.0.1 database.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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