Explain Plan For Specific Query Takes Several Seconds To Make
(Doc ID 2920608.1)
Last updated on JULY 20, 2024
Applies to:
Oracle Database - Standard Edition - Version 19.3.0.0.0 and laterInformation in this document applies to any platform.
Symptoms
An SQL in 19c database takes about 6 seconds to execute.
If you add a hint /*+ optimizer_features_enable('11.2.0.4') */ on the SQL it only takes 0.52s to execute (10 times faster).
If you set optimizer_features_enable to 12.2.0.1 it takes 6s.
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
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