June 2018
Intermediate to advanced
478 pages
10h 52m
English
Content preview from IBM Db2 11.1 Certification Guide
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Online table move planning
There are a lot of operational considerations that need to be taken into account when using the ADMIN_MOVE_TABLE() procedure. For example, moving a table during low activity is preferred. Other considerations are as follows:
- Avoid concurrent moves into the same tablespace.
- Run during low activity on the source table, if possible.
- Run using multi-step operations. Execute the REPLY phase several times, to keep the STAGE table small, and then run SWAP when activity is low. Run INIT and COPY any time.
- Always consider an offline move first.
- The staging table is populated using triggers on the source. Keep in mind that some DDL and utilities can occur without firing a trigger. A new table-level state flag prevents these ...
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