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多选题
Which three functions are performed by the SQL Tuning Advisor?()
A

Building and implementing SQL profiles

B

Recommending the optimization of materialized views

C

Checking query objects for missing and stale statistics

D

Recommending bitmap, function-based, and B-tree indexes

E

Recommending the restructuring of SQL queries that are using bad plans


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考题 多选题What happens when you run the SQL Tuning Advisor with limited scope?()AAccess pathanalysis is not performed for SQL statements.BSQL structure analysis is not performed for SQL statements.CSQL Profile recommendations are not generated for SQL statements.DStaleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor. In this case, SQL Tuning Advisor produces recommendations based on statistical checks, access path analysis, and SQL structure analysis. SQL profile recommendations are not generated.