"Update Global Indexes" Allows Automatic Global Index Maintenance During DDL
(Doc ID 139707.1)
Last updated on JULY 20, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.1 and later Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Information in this document applies to any platform.
Purpose
This bulletin explains:
1. The new clause "UPDATE GLOBAL INDEXES" and when it can be used in operations performing DDL on table partitions, depending on the type of partitioning and the type of DDL performed:
* range * hash * range hash (composite) * list
2. Which performance considerations would lead to choose REBUILD INDEX rather than using UPDATE GLOBAL INDEXES.
Scope
For all DBAs maintaining partitioned tables owning GLOBAL indexes.
Details
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