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70-459 · Question #113

70-459 Question #113: Real Exam Question with Answer & Explanation

The correct answer is C. Replace LEFT(CustomerName ,1) = 'a' with CustomerName LIKE 'a%'.. See the full explanation below for the reasoning.

Question

You execute the following code: You create a nonclustered index named IXCustomerName on the CustomerName column. You execute the following query: You need to reduce the amount of time it takes to execute the query, What should you do?

Options

  • APartition the table and use the CustomerName column for the partition scheme.
  • BReplace IX_CustomerName with a clustered index.
  • CReplace LEFT(CustomerName ,1) = 'a' with CustomerName LIKE 'a%'.
  • DReplace LEFT(CustomerName ,1) = 'a' with SUBSTRING(CustomerName ,1,1) - 'a'.

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