August 2015
Intermediate to advanced
672 pages
23h 1m
English
book
Expert Oracle Exadata, Second Edition
by Martin Bach, Karl Arao, Andy Colvin, Frits Hoogland, Randy Johnson, Kerry Osborne, Tanel Poder
Content preview from Expert Oracle Exadata, Second Edition
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CHAPTER 6
Exadata Parallel Operations
Exadata doesn’t have a special way of executing parallel operations that is not available on other platforms running 11gR2 and 12c. However, parallel processing is a key component of Exadata because efficient handling of data warehouse workloads was a primary design goal for Exadata. In addition, because offloading/Smart Scan depends on direct path reads, which can be used by parallel query slaves, parallel operations take on a whole new importance. Traditionally, the efficient use of parallel query has required careful control of concurrency in order to maximize the use of available resources without overwhelming ...
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