InterviewSolution
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InterviewSolution
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In a single table (with 10 columns) join query the number of values needed to examine per column is __________(a) 1(b) 10(c) 0(d) 2 |
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Answer» Right answer is (b) 10 For explanation I would say: For indexing in the context of performing joins, in a single table query, the number of values that are needed to be examined per column is the number of rows in the table. |
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