Optimizer Chooses Suboptimal Plan By Ignoring Histograms
(Doc ID 2483224.1)
Last updated on NOVEMBER 06, 2019
Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
Optimizer chooses bad execution plan for SQL statements by ignoring histograms for considerations.
- Upgrade to 12C from previous versions
- Transfer of data(Export/Import) with statistics from one database to another
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