You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application connects to a Microsoft SQL Server database.You use Entity SQL to retrieve data from
the database. You need to find out whether a collection is empty. Which entity set operator should
you use?
A.
ANYELEMENT
B.
EXCEPT
C.
EXISTS
D.
IN
Explanation:
EXISTS Determines if a collection is empty.
Entity SQL Reference
(http://msdn.microsoft.com/en-us/library/bb387118.aspx)