You are analyzing the performance of a SQL Azure database.  <br /> You need to recommend an approach for identifying the indexes that should be added to improve database performance. <br /> What should you recommend?()
A、 Use SQL Server Profiler to identify missing indexes.
B、 Use the Database Engine Tuning Advisor to identify missing indexes.
C、 Use a Dynamic Management View to analyze query plans.
D、 Use a DynamicManagement View to ascertain the number of pending I/O requests.