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Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe
Edition 6ISBN: 0136086209Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe
Edition 6ISBN: 0136086209 Exercise 9
Show how you can specify the following relational algebra operations in both tuple and domain relational calculus.
(a) SELECT A=c (R(A, B, C)):
(b) PROJECT < A, B > (R(A, B, C)):
(c) R(A, B, C) NATURAL JOIN S(C, D, E):
(d) R(A, B, C) UNION S(A, B, C):
(e) R(A, B, C) INTERSECT S(A, B, C):
(f) R(A, B, C) MINUS S(A, B, C):
(g) R(A, B, C) CARTESIAN PRODUCT S(D, E, F):
(h) R(A, B) DIVIDE S(A):
(a) SELECT A=c (R(A, B, C)):
(b) PROJECT < A, B > (R(A, B, C)):
(c) R(A, B, C) NATURAL JOIN S(C, D, E):
(d) R(A, B, C) UNION S(A, B, C):
(e) R(A, B, C) INTERSECT S(A, B, C):
(f) R(A, B, C) MINUS S(A, B, C):
(g) R(A, B, C) CARTESIAN PRODUCT S(D, E, F):
(h) R(A, B) DIVIDE S(A):
Explanation
Verified
Verified
For each operation, we give the tuple ca...
Database Systems 6th Edition by Ramez Elmasri, Shamkant B. Navathe
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