InterviewSolution
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InterviewSolution
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Is It Slower If You Access A Record Through Alternative Index As Compared To Primary Index? |
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Answer» YES it slower because the alternate Key WOULD FIRST locate the PRIMARY Key, which in turn locates the actual record. It requires twice the number of I/Os. Yes it slower because the alternate Key would first locate the primary Key, which in turn locates the actual record. It requires twice the number of I/Os. |
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