Database Systems MCQs – Certification Test 264

Aggregate Functions Quiz (Question 264) – Study App & e-Book Download

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MCQ 264: The aggregate operations, when an empty collection is applied on the function, return a:

0
1
Undefined value
Null value

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Aggregate Functions Quiz App & e-Book – Database Systems Placement Tests

Nested Subqueries Test 275

Query Processing Test 276

SQL Data Definition Test 277

Generalization Test 278

Physical Storage Media Test 279

Database Design Test 280

Embedded SQL Test 281

Database Design Test 282

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