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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)
  • A
    3% (1)
  • B
    6% (2)
  • C
    77% (24)
  • D
    13% (4)

Explanation

EXISTS Determines if a collection is empty. Entity SQL Reference

Topics

#Entity SQL#EXISTS operator#collection operators#LINQ

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