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A column contains [NULL, 10, NULL, 12, NULL, 14, NULL, 16]. What does COUNT(column) return? | SWE Maxx
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SQL and relational databases · Multiple Choice
Difficulty: Easy
A column contains [NULL, 10, NULL, 12, NULL, 14, NULL, 16]. What does COUNT(column) return?
Aggregation
Nulls
Choose your answer
A
4
B
5
C
3
D
11
Check answer
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