Indexes and NULLs
(Doc ID 260613.1)
Last updated on SEPTEMBER 20, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 9.2.0.8 to 10.2.0.4 [Release 9.2 to 10.2]Information in this document applies to any platform.
Purpose
This article illustrates some common reasons why indexes are not selected when NULLs are present.Scope
This is a basic level overview with examples of index usage.Details
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |