Discuss how NULLs are treated in comparison operators in SQL. How are NULLs treated when aggregate functions

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Discuss how NULLs are treated in comparison operators in SQL. How are NULLs treated when aggregate functions are applied in an SQL query? How are NULLs treated if they exist in grouping attributes?

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Fundamentals Of Database Systems

ISBN: 9780133970777

7th Edition

Authors: Ramez Elmasri, Shamkant Navathe

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Question Posted: Nov 10, 2021 03:23 AM

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Discuss how NULLs are treated in comparison operators in SQL. How are NULLs treated when aggregate functions

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They are separated into a group created for all tuples with a NULL value in grouping attribute Consi...View the full answer

Fundamentals Of Database Systems

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