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Exam 70-764 topic 1 question 125 discussion

Actual exam question from Microsoft's 70-764
Question #: 125
Topic #: 1
[All 70-764 Questions]

You administer a Microsoft SQL Server 2016 database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID non- clustered index is fragmented.
You need to reduce fragmentation.
You need to achieve this goal without taking the index offline.
Which Transact-SQL batch should you use?

  • A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP EXISTING
  • B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE
  • C. ALTER INDEX ALL ON OrderDetail REBUILD
  • D. ALTER INDEX NCI_OrderDetail_CustomerID ON
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Suggested Answer: B 🗳️
References: http://msdn.microsoft.com/en-us/library/ms188388.aspx
by TheSwedishGuy at Jan. 28, 2020, 12:42 p.m.

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TheSwedishGuy
5 years, 6 months ago
REORGANIZE enables you to use the index while it is being defragmented.
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