Computer Science · Database Management Systems
In relational algebra, the projection (π) operation is used to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Remove duplicate rows from a relation
- 2Select specific rows from a relation based on a condition
- 3Select specific columns from a relation, ignoring the others✓
- 4Combine two relations into one
Correct answer
Select specific columns from a relation, ignoring the others
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