Relational Algebra MCQ (Multiple Choice Questions) PDF Download

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

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

The predicate of a selection statement may include comparisons between

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

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

The operation of projection is a

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

The projection that allows extension of operations, i.e. arithmetic and string functions to be used in the projection list, is known as

1. Embedded Projection
2. Extended Projection
3. Generalized Projection
4. Aggregation Projection