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Change in Execution Plan when huge number of rows loaded into the table (Doc ID 1284117.1)

Last updated on FEBRUARY 14, 2022

Applies to:

Oracle TimesTen In-Memory Database - Version 11.2.1.6.6 and later
Information in this document applies to any platform. *** ***

Symptoms

After ttbulkcp is executed on the table the execution plan generated for the below query was changed and query become very slow.

Steps Followed
---------------

1) Inserted records into the table using ttbulkcp


Here the optimizer is using the TblLkTtreeScan along with <table02>.XXX_DATE_S >= <table01>.XXX_DATE_S condition in the execution plan. The exucution time was very high. It was taking 241 seconds.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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