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Nonclustered indexes are faster than clustered indexes for retrieval.

  • A.True
  • B.False

Answer: B

Correct answer: False

A clustered index is generally the faster for retrieval, because the data rows are at its leaf level and no further lookup is needed once the index has been traversed. A nonclustered index yields a pointer, and the row must then be fetched from wherever it lies, which is a second access for every row returned.

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