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alter table add default is slow performance (Doc ID 3056518.1)

Last updated on NOVEMBER 06, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 19.16.0.0.0 and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Gen 2 Exadata Cloud at Customer - Version All Versions and later
Information in this document applies to any platform.

Symptoms

When you use "alter table" to add default value for a table, the performance difference is as follows:

Changes

 run "alter table add default"

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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