Database Systems Entrance Exam MCQs – Mock Test 13

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Domain Relational Calculus Quiz – Mock Test 13 PDF Download

MCQ 61: A second form of relational calculus, is known as:

Domain relational calculus
Relational calculus
Tuple relational calculus
Attribute relational calculus

MCQ 62: The solution to improving reliability is to introduce:

Repositioning
Reflectivity
Transitivity
Redundancy

MCQ 63: Algebraic operation that outputs specified attributes from all rows of the input relation, is said to be:

Natural join
Union operation
Projection
Selection

MCQ 64: The interface ResultSet has a method, getMetaData(), that returns a/an:

Tuple
Value
Object
Result

MCQ 65: 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

Domain Relational Calculus Quiz App & eBook – Database Systems Textbook Tests

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