May 2019
Intermediate to advanced
484 pages
11h 23m
English
Content preview from Learn T-SQL Querying
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OptimizerHardwareDependentProperties
OptimizerHardwareDependentProperties can expand to show additional information on system-reported conditions that are accounted for during query optimization. Here is the detail for this property for the example query:
The detailed elements of OptimizerHardwareDependentProperties are as follows:
- EstimatedAvailableDegreeOfParalellism: This indicates the expected number of schedulers available for query processing. One (1) means that no parallelism will be available, a number greater than one allows a parallel plan to be evaluated during query optimization. Compare this with the Degree of Parallelism property; ...
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