Oracle Tips by Burleson

Oracle 10g degree

With this parameter, you are able to specify the degree of parallelism. In general, the degree XE "degree"  parameter allows you to parallelize the statistics gathering process. The degree parameter can take the value of auto_degree .

When you specify the auto_degree, Oracle will determine the degree of parallelism automatically. It will be either 1 (serial execution) or default_degree (the system default value based on number of CPUs and initialization parameters), according to the size of the object. Take care if Hyper Threading is used, as you will have less computational power than Oracle assumes.

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