You administer an instance of SQL Server 2014.
You are tasked with tuning a common set of queries. You have the results of several test executions, along with
query plans. The schema and the data for all database object(s) used remain unchanged between executions.
The QueryTime column is defined as a computed column that uses the GETDATE() system function. The
query plans and results are shown below:
You need to make an initial diagnosis of the situation, based solely on this input
Which two statements can you make about the performance characteristics of this query? Each correct answer
presents a complete solution. Choose two.
A.
The queries would perform better if the index named AccountNumber included the Name and QueryTime
column.
B.
The queries would perform worse if the index named AccountNumber included the NameColumn.
C.
The queries would perform better if the index named AccountNumber included the Name column.
D.
The object Account is a table, with an index having a leading column of AccountNumber and a Clustered
Index named PKAccount.
E.
The object Account is an indexed view, with an index having a leading column of AccountNumber and a
Clustered Index named PKAccount.
F.
The object Account is a view, joining the Account-AccountNumber and Account.PKAccount objects
together.