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Subtracts two numbers. This subtraction arithmetic operator can also subtract a number, in days, from a date.



expression - expression
expression

Any valid expression in Microsoft SQL Server Compact of any of the data types of the numeric data type category, except the bit data type.

Returns the data type of the argument with the higher precedence.

The following example uses the subtraction arithmetic operator to get the number of days between the time a customer placed an order and when the order was shipped.

SELECT (DATEPART(day, ShippedDate) - DATEPART(day, OrderDate)) FROM Orders WHERE OrderID = '10248'
--The value returned is '12'.
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