Long Parse Time Of SQLs Using Many COUNT DISTINCT Expressions And Parallel Execution In 18c (Doc ID 2554911.1)

Last updated on JULY 20, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 18.3.0.0.0 and later
Information in this document applies to any platform.

Long parse time of SQLs using many COUNT DISTINCT expressions and Parallel Execution in 18c

Observed this behavior in 18c (Issue was not reproducible in earlier versions 12.2.0.1 and 12.1.0.2)

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In this Document

Symptoms

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