CompTIA
DY0-001 · Question #51
A data analyst wants to save a newly analyzed data set to a local storage option. The data set must meet the following requirements: - Be minimal in size - Have the ability to be ingested quickly…
The correct answer is B. Parquet. Parquet is a columnar storage format that automatically includes schema (data types), uses efficient compression to minimize file size, and enables very fast reads for analytic workloads.
Data Processing Technologies
Question
A data analyst wants to save a newly analyzed data set to a local storage option. The data set must meet the following requirements:
- Be minimal in size
- Have the ability to be ingested quickly
- Have the associated schema, including data types, stored with it
Which of the following file types is the best to use?
Options
- AJSON
- BParquet
- CXML
- DCSV
How the community answered
(45 responses)- A7% (3)
- B87% (39)
- C2% (1)
- D4% (2)
Explanation
Parquet is a columnar storage format that automatically includes schema (data types), uses efficient compression to minimize file size, and enables very fast reads for analytic workloads.
Topics
#Parquet#file formats#schema storage#data compression
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