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Diffrence between is selected and set …

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Diffrence between is selected and set selected

    • Posted by Piyush Kumar 7 years, 6 months ago

    CBSE > Class 12 > Informatics Practices
    • 1 answers

    Naveen Sharma 7 years, 6 months ago

    Depending on the scenario you may want to use both SET or SELECT.

    Following are few scenarios for using SET

    • If you are required to assign a single value directly to variable and no query is involved to fetch value
    • NULL assignments are expected (NULL returned in result set)
    • Standards are meant to be follow for any planned migration
    • Non scalar results are expected and are required to be handled

      Using SELECT is efficient and flexible in the following few cases.
    • Multiple variables are being populated by assigning values directly
    • Multiple variables are being populated by single source (table , view)
    • Less coding for assigning multiple variables
    • Use this if you need to get @@ROWCOUNT and @ERROR for last statement executed

    0Thank You

    ANSWER
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