April 2006
Intermediate to advanced
640 pages
16h 46m
English
Content preview from Inside Microsoft® SQL Server™ 2005: T-SQL QueryingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 4. Subqueries, Table Expressions, and Ranking Functions
This chapter essentially covers nesting of queries. Within an outer query, you can incorporate inner queries (also known as subqueries). You can use subqueries where a single value is expected (scalar subqueries)—for example, to the right of an equal sign in a logical expression. You can use them where multiple values are expected (multivalued subqueries)—for example, as input to the IN predicate. Or you can use them where a table is expected (table expressions)—for example, in the FROM clause of a query.
I’ll refer to ...
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