Unlike UNION queries, EXCEPT (MINUS) queries care about the order of operands.
Unlike UNION queries, EXCEPT (MINUS) queries care about the order of operands.
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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Question
Unlike UNION queries, EXCEPT (MINUS) queries care about the order of operands.
Expert Solution
Step 1
MINUS
The result that is present in the first table but absent from the second table is obtained using the MINUS operator.
The first table is shown in front of the MINUS operator, while the second table is displayed in the opposite position.
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