641.Which three functions are performed by the SQL Tuning Advisor? (Choose three.)
A. Building the SQL profile
B. Recommending optimization of materialized views
C. Checking query objects for missing and stale statistics
D. Recommending bitmap, function-based, and B-tree indexes
E. Recommending restructuring SQL queries that are using bad plans
Answer: ACE
SQL调优顾问执行哪三个功能？
A. Building the SQL profile
B. Recommending optimization of materialized views
C. Checking query objects for missing and stale statistics
D. Recommending bitmap, function-based, and B-tree indexes
E. Recommending restructuring SQL queries that are using bad plans
Answer: ACE
SQL调优顾问执行哪三个功能？
构建SQL概要文件；
检查对象缺失或过时的统计信息；
SQL语句重写
索引和物化视图二项是SQL访问指导的功能。来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/81227/viewspace-2126140/ ，如需转载，请注明出处，否则将追究法律责任。
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