CHAPTER 6

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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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