Database Management Systems Mcqs
Page No. 5
The number of attributes in relation is called as its
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If we want to retain all duplicates, we must write ________ in place of union.
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The union operation automatically __________ unlike the select clause.
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The intersection operator is used to get the _____ tuples.
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The union operation is represented by
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The result of _____unknown is unknown.
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Using the ______ clause retains only one copy of such identical tuples.
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