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Exam 70-764 topic 1 question 103 discussion

Actual exam question from Microsoft's 70-764
Question #: 103
Topic #: 1
[All 70-764 Questions]

You administer a Microsoft SQL Server 2016 database that contains a table named AccountTransaction.
You discover that query performance on the table is poor due to fragmentation on the IDX_AccountTransaction_AccountCode non-clustered index.
You need to defragment the index.
You also need to ensure that user queries are able to use the index during the defragmenting process.
Which Transact-SQL batch should you use?

  • A. ALTER INDEX IDX_AccountTransaction_AccountCode ON AccountTransaction. AccountCode REORGANIZE
  • B. ALTER INDEX ALL ON AccountTransaction REBUILD
  • C. ALTER INDEX IDX_AccountTransaction_AccountCode ON AccountTransaction. AccountCode REBUILD
  • D. CREATE INDEX IDXAccountTransactionAccountCode ON AccountTransaction.
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Suggested Answer: A 🗳️
by TheSwedishGuy at Jan. 28, 2020, 11:56 a.m.

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TheSwedishGuy
5 years, 6 months ago
REORGANIZE, as opposed to REBUILD, enables you to use the index as it is being reorganized.
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