QUESTION 197
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
Answer: CD
同509题：http://blog.csdn.net/rlhua/article/details/14054477
Explanation/Reference:
Section: Managing Database Performance & Tuning