March 2006
Intermediate to advanced
630 pages
14h 45m
English
book
DB2 Performance Expert for Multiplatforms V2.2, 2nd Edition
by Whei-Jen Chen, Ute Baumbach, Marcia Miskimen, Werner Wicke
Content preview from DB2 Performance Expert for Multiplatforms V2.2, 2nd Edition
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246 DB2 Performance Expert for Multiplatforms V2.2
There are two other groups of snapshot elements that are also stored in the
performance database:
Database Manager configuration (DBM CFG) and
Database configuration (DB CFG). The aggregation of these values into the
PWH is a bit different from the other elements, because these are not of the
types watermark, gauge, or counter. These are informational elements, and they
are moved into PWH only if any value has changed from one interval to the next.
If your configuration parameters rarely change, you will have few rows in the
PWH DBCFG and DBMCFG tables. The data is still available for use in ...
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