Show that, in SQL, all is identical to not in.
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Show that, in SQL, <> all is identical to not in.
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Let the set S denote the result of an SQL subquery We compare x all S with x not in S If ...View the full answer
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Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
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