Junior PostgreSQL

Test your Junior-level Relational Databases Postgresql skills in Database Data Management. This timed assessment evaluates your expertise in Information Technology.

Duration: 5 minutes

•40 questions

Time Remaining: 05:00

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40 questions remaining

Question 1 of 40Assessment

Which clause is used with aggregate functions to group the result set by one or more specific columns?

A. The SORT BY clause, which arranges data but does not aggregate

B. The GROUP BY clause, which combines rows with the same values

C. The COLLECT BY clause, which is used for gathering array data

D. The ARRANGE BY clause, used for visual formatting of results

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