
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Please help with this SQL assignment:
Use simple example of an EXCEPT expression. No correlated subquery, no need to take context relations into account.
(SELECT name, address from MovieStar)
EXCEPT
(SELECT name, address from MovieExec)
Translate to relational algebra.
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