July 2002
Beginner
424 pages
9h 30m
English
Content preview from SQL: Visual QuickStart Guide
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Comparing Some Subquery Values with ANY
ANY works like ALL (see the preceding section) but instead determines whether a value is equal to, less than, or greater than any (at least one) of the values in a subquery result. The important characteristics of subquery comparisons that use ANY are:
ANY modifies a comparison operator in a subquery comparison test and follows =, <>, <, <=, >, or >=; see “Comparing a Subquery Value by Using a Comparison Operator” earlier in this chapter.
The combination of a comparison operator and ANY tells the DBMS how to apply the comparison test to the values returned by a subquery. < ANY, for example, means less than at least one value in the subquery result, and > ANY means greater than at least one value in the ...
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