CIW
1D0-441 · Question #23
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
(62 responses)- A3% (2)
- B13% (8)
- C77% (48)
- D6% (4)
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