多选题Which three functions are performed by the SQL Tuning Advisor?（）ABuilding and implementing SQL profilesBRecommending the optimization of materialized viewsCChecking query objects for missing and stale statisticsDRecommending bitmap, function-based, and
题目
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