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Exam Certified Data Engineer Associate All Questions

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Exam Certified Data Engineer Associate topic 1 question 51 discussion

Actual exam question from Databricks's Certified Data Engineer Associate
Question #: 51
Topic #: 1
[All Certified Data Engineer Associate Questions]

A data engineer has realized that the data files associated with a Delta table are incredibly small. They want to compact the small files to form larger files to improve performance.

Which of the following keywords can be used to compact the small files?

  • A. REDUCE
  • B. OPTIMIZE
  • C. COMPACTION
  • D. REPARTITION
  • E. VACUUM
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by kishanu at Oct. 20, 2023, 3:57 p.m.

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kishanu
Highly Voted 1 year, 8 months ago
Selected Answer: B
OPTIMIZE can be used to club small files into 1 and improve performance.
upvoted 6 times
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80370eb
Most Recent 11 months ago
Selected Answer: B
The OPTIMIZE command in Databricks is used to compact small files into larger ones, improving the performance of Delta tables.
upvoted 2 times
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80370eb
11 months ago
Selected Answer: B
The OPTIMIZE command in Delta Lake merges small files into larger files, which can help improve query performance and manage storage more efficiently.
upvoted 1 times
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benni_ale
1 year, 2 months ago
Selected Answer: B
B is correct
upvoted 1 times
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UGOTCOOKIES
1 year, 5 months ago
Selected Answer: B
OPTIMIZE is the correct answer. Compacting small files using the OPTIMIZE command improves table performance such as by combining multiple small files into larger ones.
upvoted 2 times
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azure_bimonster
1 year, 5 months ago
Selected Answer: B
OPTIMIZE would help in this scenario
upvoted 2 times
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nedlo
1 year, 6 months ago
Selected Answer: B
Its B https://docs.databricks.com/en/delta/optimize.html
upvoted 2 times
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meow_akk
1 year, 8 months ago
Ans B : optimize is used to compact small files which in turn improves perf
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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