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Best Method to Gather Stats of Partition Tables When Using Granularity (Doc ID 2352723.1)

Last updated on MARCH 10, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Goal

What is the best option when using granularity:

1. exec dbms_stats.gather_table_stats(ownname=>'IBM',tabname=>'dm_sku_partition_stg',GRANULARITY => 'PARTITION',estimate_percent=>dbms_stats.auto_sample_size,cascade=>true);
Or
2. exec dbms_stats.gather_table_stats(ownname=>'IBM',tabname=>'dm_sku_partition_stg',GRANULARITY=>'GLOBAL AND PARTITION',estimate_percent=>dbms_stats.auto_sample_size,cascade=>true,degree=>8);


 

Solution

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In this Document
Goal
Solution


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