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Top Partition Performance Issues (Doc ID 166215.1)

Last updated on MARCH 12, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.7.0 and later
Information in this document applies to any platform.

Purpose

The purpose of this document is to discuss the top performance issues for customers when using the partitioning option.

Scope

DBAs needing to be aware of or improve performance issues regarding partitioning.

Details

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In this Document
Purpose
Scope
Details
 Collection of Statistics for Cost-Based Optimization/DBMS_STATS vs. ANALYZE
 ANALYZE vs. DBMS_STATS
 Hash Partitioning/How Cardinality Affects Distribution
 Partition Pruning/Elimination
 Parallel execution and Partitioned tables and indexes
 Parallelize by partition
 Performance bugs
References

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