When Number of Pending Statistics Increases, It Takes Time to Collect Statistical Information
(Doc ID 2642768.1)
Last updated on MARCH 05, 2020
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
- Collecting statistics without publishing pending statistics, the following SQL takes long time:
delete /* QOSH:PURGE_OLD_STS *//*+ dynamic_sampling(4) */ from sys.wri$_optstat_histgrm_history where :1 = savtime and obj# = :2 and intcol# = nvl(:3, intcol#)
Increased pending statistics.
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