August 2012
Intermediate to advanced
452 pages
15h 41m
English
book
Optimizing DB2 Queries with IBM DB2 Analytics Accelerator for z/OS
by Paolo Bruni, Patric Becker, Willie Favero, Ravikumar Kalyanasundaram, Andrew Keenan, Steffen Knoll, Nin Lei, Cristian Molaro, P S Prem
Content preview from Optimizing DB2 Queries with IBM DB2 Analytics Accelerator for z/OS
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362 Optimizing DB2 Queries with IBM DB2 Analytics Accelerator for z/OS
The simple fast-running queries were not accelerated (low acceleration factor of 1 or 2). For
these reports, the DB2 optimizer identified that they were fast-running queries and did not
send them to the DB2 Analytics Accelerator for processing. This was the result we wanted to
achieve because it allowed DB2 for z/OS to focus on running these types of short-running,
OLTP-style queries.
The reports listed in Table 14-1 on page 360 were executed using a job defined in Cognos
10.1.1 BI. The job was set to execute each report sequentially and save the output for each
report as ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.