Performance - EBS (MOSC)

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edited Mar 31, 2010 12:29AM in Performance - EBS (MOSC) 4 comments

  For both EBS 11i and R12 it is manditory that you gather statistics on EBS tables/indexes.  This is due to database using the Cost Based Optimizer (CBO).  

Gather schema statistcs periodically to be sure you have fresh, sufficient stats available so 
database optimizer (CBO) may choose best possible execution plan for  EBS SQL, PL/SQL being executed.

Suggest you reference following note (also applicable for EBS R12):
Note 368252.1  EBPERF FAQ - Collecting Statistics with Oracle Apps 11i for best practices for gathering stats for EBS.

You may run script found in Note 163208.1 - bde_last_analyzed.sql - Verifies CBO Statistics, to check when, what, where statistics were last gathered.

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