When are column-oriented databases more efficient? a. When many columns of a single group need to be

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When are column-oriented databases more efficient?

a. When many columns of a single group need to be fetched at the same time.

b. When inserts are performed where all of the row data are supplied at the same time.

c. When aggregates need to be calculated over many or all rows in the dataset.

d. When a lot of joins need to be performed in queries.

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Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

ISBN: 9781107186125

1st Edition

Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens

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Question Posted: Dec 16, 2023 04:11 AM

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When are column-oriented databases more efficient? a. When many columns of a single group need to be

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c When aggregates need to be calculated over many or all rows in the dataset Columnoriented databases are specifically designed for efficient aggregat...View the full answer

Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

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