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diff b/w cardinality and union

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diff b/w cardinality and union

    • Posted by Elegant Jatti 6 years, 6 months ago

    CBSE > Class 11 > Computer Science
    • 1 answers

    Naresh Arora 6 years, 6 months ago

    Cardinality means number of rows or record in a table whereas union means all the records from two or more tables without duplicate record.

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