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How to set a primary key …

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How to set a primary key in DBMS

    • Posted by Amrit Amrit 7 years, 7 months ago

    CBSE > Class 10 > Computer Applications (165)
    • 6 answers

    Utsav Kumar Shukla 7 years, 7 months ago

    Always welcome if u have any doubts in geography or computer sci u can ask.

    1Thank You

    Amrit Amrit 7 years, 7 months ago

    Ok,thanks bro towarrow is my practical exam so thanks☺

    1Thank You

    Utsav Kumar Shukla 7 years, 7 months ago

    Only it contain a unique value for each record of table.

    1Thank You

    Utsav Kumar Shukla 7 years, 7 months ago

    Nope

    1Thank You

    Amrit Amrit 7 years, 7 months ago

    Can primary key valu be null?

    1Thank You

    Utsav Kumar Shukla 7 years, 7 months ago

    Primary key has to identify a unique value which can be present in a table, in a number form also. It means, primary key field allow number too.

    1Thank You

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