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How To Use ALTER TABLE ... MOVE To Shrink A Table (Including BASICFILE / SECUREFILE LOBs) (Doc ID 1396120.1)

Last updated on APRIL 09, 2020

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Goal

This note will demonstrate the use of ALTER TABLE ... MOVE to shrink a table and its LOB segment

Solution

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In this Document
Goal
Solution
 CASE STUDY #1 - SYSTEM GENERATED EXTENT SIZE (AUTOALLOCATE) - AUTOMATIC SEGMENT SPACE MANAGEMENT (ASSM) TABLESPACE - SECUREFILE LOB
 CASE STUDY #2 - UNIFORM EXTENT SIZE - AUTOMATIC SEGMENT SPACE MANAGEMENT (ASSM) TABLESPACE - SECUREFILE LOB
 CASE STUDY #3 - SYSTEM GENERATED EXTENT SIZE (AUTOALLOCATE) MANUAL SEGMENT SPACE MANAGEMENT (MSSM) TABLESPACE - BASICFILE LOB
 CASE STUDY #4 - UNIFORM EXTENT SIZE - MANUAL SEGMENT SPACE MANAGEMENT (MSSM) TABLESPACE - BASICFILE LOB


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