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Exam 70-464 topic 1 question 117 discussion

Actual exam question from Microsoft's 70-464
Question #: 117
Topic #: 1
[All 70-464 Questions]

You are building a new index for an application.
You need to reduce the storage space used by the index and to minimize logical reads.
What should you configure?

  • A. SORT_IN_TEMPDB = ON
  • B. MAXDOP = 4
  • C. PAD_INDEX = OFF
  • D. DATA_COMPRESSION = PAGE
  • E. DATA_COMPRESSION = ROW
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Suggested Answer: D 🗳️
The data compression feature to help reduce the size of the rowstore tables and indexes. It can also help improve performance of I/O intensive workloads because the data is stored in fewer pages and queries need to read fewer pages from disk.
Incorrect Answers:
A: Setting the SORT_IN_TEMPDB option to ON can reduce the time that is required to create or rebuild an index.
C: PAD_INDEX secifies index padding. The default is OFF.
References:
http://blogs.lessthandot.com/index.php/datamgmt/dbprogramming/how-sql-server-data-compression/ https://docs.microsoft.com/en-us/sql/relational-databases/data-compression/data-compression?view=sql-server-2017 https://docs.microsoft.com/en-us/sql/relational-databases/indexes/sort-in-tempdb-option-for-indexes?view=sql-server-2017

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Zikato
4 years, 6 months ago
Data compression Row would reduce it even more.
upvoted 1 times
Dolous
4 years, 5 months ago
No, it wouldn’t
upvoted 1 times
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