When creating a SQL tuning set, which of the following steps allows the DBA to reduce the size of the SQL set by selecting specific operators and values?
A. Filter versions
B. Filter loads
C. Filter tasks
D. Filter options
Option A,B,and C are not valid choices when creating a SQL tuning set.During the filter options step,the DBA can choose the SQL attributes,the operator,and the values to use as filter condition.
原文：http://www.cnblogs.com/Babylon/p/7831316.html