Microsoft
70-516 · Question #7
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. The application connects to a Microsoft SQL Server database. You use Entity SQL to retrieve data from…
The correct answer is C. EXISTS. EXISTS Determines if a collection is empty. Entity SQL Reference
advanced WCF features
Question
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 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?
Options
- AANYELEMENT
- BEXCEPT
- CEXISTS
- DIN
How the community answered
(31 responses)- A3% (1)
- B6% (2)
- C77% (24)
- D13% (4)
Explanation
EXISTS Determines if a collection is empty. Entity SQL Reference
Topics
#Entity SQL#EXISTS operator#collection operators#LINQ
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