March 2007
Intermediate to advanced
488 pages
13h 46m
English
book
OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
by Hernando Bedoya, Jaime Gaug, James Kerl, Ser Ser NG, Jose Cardoso dos Santos
Content preview from OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
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Chapter 11. Environmental settings that affect SQL performance 395
and I/O) processors that share memory and disk resource work simultaneously toward
achieving a single end result. As shown in Figure 11-9 parallel processing allows the
database engine to have more than one (or all) the processors working on a single query
simultaneously. The performance of a CPU-bound query can be significantly improved with
this feature on multiple-processor servers by distributing the processor load across more than
one processor. While using SMP does not require the presence of more than one CPU,
database parallelism is most effective when there is more than ...
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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.