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Quiz on Domain Relational Calculus PDF Download eBook
MCQ: A second form of relational calculus, is known as
- Domain relational calculus
- Relational calculus
- Tuple relational calculus
- Attribute relational calculus
A
MCQ: The solution to improving reliability is to introduce
- Repositioning
- Reflectivity
- Transitivity
- Redundancy
D
MCQ: Algebraic operation that outputs specified attributes from all rows of the input relation, is said to be
- Natural join
- Union operation
- Projection
- Selection
C
MCQ: The interface ResultSet has a method, getMetaData(), that returns a/an
- Tuple
- Value
- Object
- Result
C
MCQ: A method that uses two independent pieces/processes of information to identify a user is known as
- Authentication through encryption
- Password-method authentication
- Two-method authentication
- Two-factor authentication
D