Which three statements about performance analysis by SQL Performance Analyzer are true? （）(Choose three.)A、It detects changes in SQL execution plans.B、It produces results that can be used to create the SQL plan baseline.C、The importance of SQL statements is based on the size of the objects accessed.D、It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.E、It shows only the overall impact on workload and not the net SQL impact on workload.
Which three statements about performance analysis by SQL Performance Analyzer are true? （）(Choose three.)
- A、It detects changes in SQL execution plans.
- B、It produces results that can be used to create the SQL plan baseline.
- C、The importance of SQL statements is based on the size of the objects accessed.
- D、It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.
- E、It shows only the overall impact on workload and not the net SQL impact on workload.
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多选题Which three statements are true about terms in a policy?（）AThe order of the terms in a policy is irrelevantBThe action is specified in a then statementCTers are optional in a policyDThe match condition can be identified with a from statementEEvery policy must contain at least one term
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多选题Which three statements about subqueries are true? （）AAsinglerowsubquerycanretrieveonlyonecolumnandonerow.BAsinglerowsubquerycanretrieveonlyonerowbutmanycolumns.CAmultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.DAmultiplerowsubquerycanbecomparedusingthe；；；operator.EAsinglerowsubquerycanusetheINoperator.FAmultiplerowsubquerycanusethe；=；operator.
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