CIW
1D0-541 · Question #57
Which relational algebraic operation is used to select specific columns (attributes) from a relation?
The correct answer is C. Projection. See the full explanation below for the reasoning.
Question
Which relational algebraic operation is used to select specific columns (attributes) from a relation?
Options
- AUnion
- BDifference
- CProjection
- DIntersection
How the community answered
(25 responses)- A4% (1)
- B8% (2)
- C72% (18)
- D16% (4)
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