A subquery can be used to _________.

The correct answer is D. Retrieve data based on an unknown condition. A sub-query can be used to retrieve data based on an unknown condition Incorrect Answers A: A sub-query cannot be used to create groups of data, GROUP BY clause is used for that. B: A sub-query cannot be used to sort data in a specific order, ORDER BY clause is used for that…

Displaying Data from Multiple Tables and Subqueries

Question

Options

ACreate groups of data
BSort data in a specific order
CConvert data to a different format
DRetrieve data based on an unknown condition

How the community answered

(35 responses)

A
3% (1)
B
17% (6)
C
6% (2)
D
74% (26)

Explanation

A sub-query can be used to retrieve data based on an unknown condition Incorrect Answers A: A sub-query cannot be used to create groups of data, GROUP BY clause is used for that. B: A sub-query cannot be used to sort data in a specific order, ORDER BY clause is used for that. C: A sub-query cannot convert data to a different format.

Topics

#subquery#unknown condition#nested SELECT#query purpose

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