Which of the following relational operator(s) is(are) commutative? (This is a multiple answer question, the example of commutative in arithmetic, a + b = b + a) x - Cartesian product T - Project U- Union - - Difference (minus) o - Select O x - Semi Join O÷- Division n- Intersect
Which of the following relational operator(s) is(are) commutative? (This is a multiple answer question, the example of commutative in arithmetic, a + b = b + a) x - Cartesian product T - Project U- Union - - Difference (minus) o - Select O x - Semi Join O÷- Division n- Intersect
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Step 1
Basic Operations of Relational Algebra in DBMS
- Select Operation (σ),
- Project Operation (∏),
- Union Operation (∪),
- Set Difference (−),
- Cartesian Product (Χ),
- Rename Operation (ρ),
- Relational Calculus,
- Tuple Relational Calculus (TRC),
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