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The MCQ: The relational algebra operation that return rows of the input relation that satisfy the predicate, is known as; "Relational Operations" App Download (Free) with answers: Projection; Selection; Natural join; Union operation; for online master programs. Practice Relational Operations Quiz Questions, download Apple e-Book (Free Sample) to learn free online courses.
Relational Operations MCQs: Questions and Answers PDF Download
The operation that performs a set union of two similarly structured tables, is known as
- Union operation
- Join operation
- Cartesian Product operation
- Intersection operation
The relational algebra operation that return rows of the input relation that satisfy the predicate, is known as
- Projection
- Selection
- Natural join
- Union operation
Algebraic operation that outputs specified attributes from all rows of the input relation, is said to be
- Natural join
- Union operation
- Projection
- Selection
The relational operations have the nice and desired property that their result is always
- Pair of relations
- Single relations
- Sequence of relations
- No relations
Specifically, the result of a relational query is a
- Relational
- Sequence
- Operation
- Domain
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Relational Operations MCQs Book Questions
- A different diagrammatic representation other than schema diagram is known as
- Portion of a DML that involves information retrieval is called
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