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Trivia Quiz on Aggregate Functions PDF Download eBook
MCQ: A Boolean data type that can take values true, false, and unknown, was introduced in
- SQL:1998
- SQL:1998
- SQL:1999
- SQL:2000
B
MCQ: After the deletion operation, the relation
- Still exists
- Doesn't exists
- Is empty
- Both A and B
D
MCQ: SQL allows us to search for mismatches instead of matches by using the
- Like operator
- AS operator
- NOT Like operator
- NOT AS operator
C
MCQ: A simpler technique for reasoning about functional dependencies, is known as
- Union
- Decomposition
- Pseudotransitivity
- Axioms
D
MCQ: Specifying tuples within a given relation, are expressed in terms of the
- Attributes
- Variables
- Function
- Domain
A