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DMU Scan - Taking Long Time To Come Back After Scanning Individual Table due to more data in SYSTEM.DUM$EXCEPTIONS table (Doc ID 2365483.1)

Last updated on JULY 27, 2021

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

While doing DMU scanning on a very large database database more rows inserted into DUM$EXCEPTIONS table.

Below pl/sql is calling and running 10 minutes for every statement when fixing the data for each table using DMU

 

Cause

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In this Document
Symptoms
Cause
Solution


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