June 2018
Intermediate to advanced
478 pages
10h 52m
English
Content preview from IBM Db2 11.1 Certification Guide
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Reclaimable storage
For automatic storage tablespaces, you can use the ALTER TABLESPACE statement with the REDUCE MAX clause to release all of the unused space and reduce the high-water mark. This eliminates the process of running db2dart, dropping and recreating objects, and exporting and importing the data. The SQL statement is as follows:
ALTER TABLESPACE USERSPACE1 REDUCE MAX;
The REDUCE MAX clause is not supported in pureScale. For the Db2 pureScale environment, use ADMIN_MOVE_TABLE (), which is covered in detail later in this chapter.
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