Which one of the following file formats is optimal for querying tables with many columns and performing aggregation operations such as SUM() and AVG()?

Posted by: Pdfprep Category: C2090-101 Tags: C2090-101 exam questions, C2090-101 practice exam, IBM Certified Data Engineer Post Date: December 15, 2020

Which one of the following file formats is optimal for querying tables with many columns and performing aggregation operations such as SUM() and AVG()?
A . Text
B . Avro
C . JSON
D . PARQUET

Answer: C

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Pdfprep