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Specifies a subquery to test for the existence of rows.



EXISTS subquery

subquery

A restricted SELECT statement.


Returns TRUE if a subquery contains any rows.

The following example finds all orders in the Orders table, with "Washington" as the Shipping Region, for each employee listed in the Employees table.

SELECT * FROM Orders WHERE [Ship Region] = 'WA' AND EXISTS (SELECT [Employee ID] FROM Employees AS Emp WHERE Emp.[Employee ID] = Orders.[Employee ID])

Release

History

5 December 2005

Changed content

Updated code

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