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How to Investigate Query Performance Regressions Caused by VPD (FGAC) Predicates? (Doc ID 967042.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.1 to 11.2]
Information in this document applies to any platform.
Checked for relevance on 19-Apr-2013


This note tries to answer the following questions about the performance regressions caused by VPD:
#1. General Considerations. What are the implications of VPD?
#2. How to investigate?
#3. How to solve the performance problem?
#4. What to provide to support?
#5. Example
#6. Known issues


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In this Document
 #1. Take the sql trace file?
 #2. Determine the predicate that has been applied on the base tables. 
 #3. Take a 10053 trace file.
 #4. Use SQL Access Advisor:
 #5. Use the SQL Tuning Advisor. 
 Known issues of Query Performance Regression due to VPD:

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