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In a SQL server, what is the uniqueness of data entries called?

    Question

  • In a SQL server, what is the uniqueness of data entries called?

    1. selectivity
    2. indexability
    3. heap
    4. fill factor
    • Edited by Yesi P Thursday, December 19, 2013 5:31 PM the choices I have
    Thursday, December 19, 2013 4:16 PM

Answers

  • Out of 4 choices its 
    1. selectivity

    Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

    • Marked as answer by Yesi P Thursday, December 19, 2013 9:50 PM
    Thursday, December 19, 2013 6:42 PM

All replies

  • Do you mean primary key?

    Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

    • Proposed as answer by Praveen Rayan D'sa Thursday, December 19, 2013 5:04 PM
    • Unproposed as answer by Yesi P Thursday, December 19, 2013 5:34 PM
    Thursday, December 19, 2013 4:22 PM
  • I think you've said it.

    Can be enforced by a unique constraint or trigger.

    Thursday, December 19, 2013 4:24 PM
  • Out of 4 choices its 
    1. selectivity

    Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

    • Marked as answer by Yesi P Thursday, December 19, 2013 9:50 PM
    Thursday, December 19, 2013 6:42 PM