SQL query help - finding rows with no relationships

Posted by DD on Stack Overflow See other posts from Stack Overflow or by DD
Published on 2010-06-07T14:55:27Z Indexed on 2010/06/07 15:02 UTC
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sql

Consider a DB with a Client table and a Book table:

Client: person_id

Book: book_id

Client_Books: person_id,book_id

How would you find all the Person ids which have no books? (without doing an outer join and looking for nulls)

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Developer IT

SQL query help - finding rows with no relationships - Developer IT

SQL query help - finding rows with no relationships

sql

Related posts about sql

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How can I detect which version of SQL (eg SQL 2008 or SQL Azure)

Nested SQL Select statement fails on SQL Server 2000, ok on SQL Server 2005

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