Optimizer Dynamic Statistics (OPTIMIZER_DYNAMIC_SAMPLING)
(Doc ID 336267.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
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Note that from Oracle Database 12c, dynamic sampling has been enhanced to become dynamic statistics. Dynamic statistics allow the optimizer to augment existing statistics to get more accurate cardinality estimates for not only single table accesses but also joins and group-by predicates
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