Reference
:
Supported SQL Statements and Extensions
:
Subqueries
:
IN Predicate
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IN Predicate
Purpose
The In predicate specifies a set of values against which to compare a result set. If the values are being compared against a subquery, only a single column result set is returned.
Syntax
value
[NOT] IN (
value1
,
value2
,...)
OR
value
[NOT] IN (
subquery
)
Example
SELECT * FROM emp WHERE deptno IN
(SELECT deptno FROM dept WHERE dname <> 'Sales')