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70-457 · Question #69

70-457 Question #69: Real Exam Question with Answer & Explanation

The correct answer is A. SELECT StudentCode as Code,. See the full explanation below for the reasoning.

Question

You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid- year marks for students. The table has marks obtained by 50 students for various subjects. You need to ensure that the following requirements are met: - Students must be ranked based on their average marks. - If one or more students have the same average, the same rank must be given to these students. - Consecutive ranks must be skipped when the same rank is assigned. Which Transact-SQL query should you use?

Options

  • ASELECT StudentCode as Code,
  • BSELECT Id, Name, Marks, DENSE_RANK () OVER (ORDER BY Marks DESC) AS Rank
  • CSELECT StudentCode as Code,
  • DSELECT StudentCode as Code,
  • ESELECT StudentCode AS Code,Marks AS Value
  • FSELECT StudentCode AS Code,Marks AS Value FRCM (
  • GSELECT StudentCode AS Code,Marks AS Value FROM
  • HSELECT StudentCode AS Code,Marks AS Value FROM

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