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Selects Against ALL_SYNONYMS Perform Badly on 10g Release 10.2 (Doc ID 377037.1)

Last updated on DECEMBER 14, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

In some cases queries against the ALL_SYNONYMS view are slower after upgrading to 10.2.0.x

For example:

Changes

Changed to a version higher than 9.2 from 9.2 or below.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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