Update large number of rows in a table
(Doc ID 268395.1)
Last updated on FEBRUARY 02, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 8.1.7.0 to 10.2.0.1 [Release 8.1.7 to 10.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Information in this document applies to any platform.
Goal
How to efficiently update large number of rows in a large/big table.
Goals
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The idea is to have minimum amount of redo generation for this operation.
The amount of rollback generated should also be minimal.
Scenario
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We have a table of say 30 million records.
We want to update either say 1 million or 25 million records in this table, then in both situations the solution given below can be used for efficient results.
Solution
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In this Document
| Goal |
| Solution |