Index Fast Full Scan Usage To Avoid Full Table Scans
(Doc ID 70135.1)
Last updated on JANUARY 12, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 7.3.0.0 to 12.1.0.2 [Release 7.3.0 to 12.1]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 Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Purpose
This article discusses using Index Fast Full Scans (Index FFS) to avoid Full Table Scans (FTS).
Scope
Support Analysts and customers who are experiencing problems with their queries doing FTS as opposed to using Index FFS.
Details
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In this Document
| Purpose |
| Scope |
| Details |
| When Will Index FFS be used in preference to FTS? |
| Examples: |
| Preparation: Create a composite index |
| References |