（509）Which of the following cannot be used as input to the SQL Tuning Advisor?(Choose all that apply.)

A. A single SQL statement provided by a user

B. An existing SQL Tuning Set(STS)

C. A preprocessed Database Replay workload

D. A schema name

E. SQL statement identified in EM as using excessive resources

答案：（A, C, D）

解析：

《2 Day DBA》 10.3.2

可以对下面的输入使用SQL Tuning Advisor：

1. Top Activity

2. Historical SQL

3. SQL Tuning Set