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Delete On SYS.SCHEDULER$_DBMSJOB_MAP Causing Row Locks (Doc ID 2645984.1)

Last updated on MARCH 12, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 19.4.0.0.0 and later
Information in this document applies to any platform.
Upgrade done from 12.1.0.2 to 19c

New dictionary table SYS.SCHEDULER$_DBMSJOB_MAP is created in 19c.

Symptoms

Application jobs are slow with "enq: TX - row lock contention" event on the below recursive SQL:

Changes

Upgrade to 19c

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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