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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Group Conditions

A group condition compares an expression to a group of results. The syntax for a group comparison is:

[(]expr[, expr . . .][)] simple_condition ANY | SOME | ALL | IN| NOT IN
   (subquery|expression_list
        [,subquery | expression_list . . .])

If you use multiple expressions on the left of the condition, you must have an equal number of values, with matching datatypes, on the right of the condition.

If any values on the right of the NOT IN condition evaluate to NULL, then the condition always evaluates to FALSE. If the values on the right of the NOT IN condition constitute a subquery that returns no rows, all rows in the parent query containing the condition are returned.

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Publisher Resources

ISBN: 0596003366Errata Page