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问题:

[多选] When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? ()(Choose two.)

A . It produces less accurate results of the comparison analysis.
B . It automatically calls the SQL Tuning Advisor for recommendations.
C . It shortens the time of execution and reduces the impact on system resources.
D . Only the changes in the execution plan, and not performance regression, are detected.

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