Wednesday, April 29, 2009

Parallel Query Processing

1. What are the advantages of Parallel Query Processing?
2. What are the main system criteria for Parallel Query Processing?
3. When shouldn't you implement Parallel Query Processing?
4. What needs to be considered for determining the degree of parallelism in oracle server?
5. What is data skew?
6. What is done during the parallelization step in parallel query execution?

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