How To Use ALTER TABLE ... MOVE To Shrink A Table (Including BASICFILE / SECUREFILE LOBs)
(Doc ID 1396120.1)
Last updated on APRIL 17, 2023
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterGen 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 |