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SQ
Question Practice

What does the COUNT(DISTINCT column_name) function do?

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MCQ_SA
CBSE
Class 12
Computer Science
Computer Science
Structured Query Language (SQL
Question Bank

What does the COUNT(DISTINCT c...

Single Answer MCQ
Q-00095278

What does the COUNT(DISTINCT column_name) function do?

1

Counts unique non-null values in a column

2

Counts all rows regardless of duplicates

3

Counts null values only

4

Counts all values in a column

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