Database Systems Placement Tests: Certification Test 336

Aggregate Functions Study App & e-Book: MCQ 336

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MCQ: 336

All aggregate operations, return a value of null when applied on an

Avg collection
Sum collection
Data collection
Empty collection

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Aggregate Functions Placement Tests: Database Systems App & eBook Quiz

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Aggregate Functions Study App & e-Book: MCQ 336

Aggregate Functions Placement Tests: Database Systems App & eBook Quiz

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