Given the relation schema R(A, B, C) and S(C, D, E), please match each of the following relational algebra expressions to the corresponding SQL (Structured Query Language) statement. (Assume R and S are union compatible) 1. RUS A. SELECT * FROM R MINUS SELECT * FROM S; 2. RNS B. SELECT * FROM S MINUS SELECT * FROM R: 3. R -S C. SELECT * FROM R CROSS JOIN S: 4. S -R D. SELECT * FROM R NATURAL JOIN S; 5. R* S E. SELECT FROM R JOIN S ON R.C = S.C: 6. R X S F. SELECT * FROM R JOIN S ON R.B = S.B: 7. RDARB- S.RS G. SELECT * FROM R UNION SELECT * FROM S: 8. RARC = s.cS H. SELECT * FROM R INTERSECT SELECT FROM S:
Given the relation schema R(A, B, C) and S(C, D, E), please match each of the following relational algebra expressions to the corresponding SQL (Structured Query Language) statement. (Assume R and S are union compatible) 1. RUS A. SELECT * FROM R MINUS SELECT * FROM S; 2. RNS B. SELECT * FROM S MINUS SELECT * FROM R: 3. R -S C. SELECT * FROM R CROSS JOIN S: 4. S -R D. SELECT * FROM R NATURAL JOIN S; 5. R* S E. SELECT FROM R JOIN S ON R.C = S.C: 6. R X S F. SELECT * FROM R JOIN S ON R.B = S.B: 7. RDARB- S.RS G. SELECT * FROM R UNION SELECT * FROM S: 8. RARC = s.cS H. SELECT * FROM R INTERSECT SELECT FROM S:
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: part 1
1-G 1. R U S === G. (From the given quetion) SELECT * FROM R UNION SELECT * FROM S;
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