Slow Query Against Dictionary View, Such as DBA_ALL_TABLES (Doc ID 2696268.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

A simple query against a data-dictionary view is taking minutes to complete.

Examination of SQL trace data indicates that high I/O occurs at this line of the execution plan:

INDEX SKIP SCAN I_COL1

N/A

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In this Document

Symptoms

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