Computer Science Degree Courses

Chapter 10: Database Systems Exam Tests

Database Systems MCQs - Chapter 10

# Formal Relational Query Languages Multiple Choice Questions (MCQs) PDF Download - 1

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## Formal Relational Query Languages Questions and Answers : MCQ Quiz 1

MCQ 1:

A second form of relational calculus, is known as

1. Domain relational calculus
2. Relational calculus
3. Tuple relational calculus
4. Attribute relational calculus
MCQ 2:

In a natural join if the two are equivalent in an expression, is said to be

1. Definitive
2. Predictive
3. Associative
4. Assignment
MCQ 3:

The predicate of a selection statement may include comparisons between

1. Two attributes
2. Multiple attributes
3. Two relations
4. Multiple relations
MCQ 4:

In the relational algebra, the select, project, and rename operations are known as

1. Dimensional operations
2. Multidimensional operations
3. Unary operations
4. Binary operations
MCQ 5:

The operation of projection is a

1. Dimensional operations
2. Multidimensional operations
3. Unary operations
4. Binary operations

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