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- (Subtract) (SSIS Expression)

Subtracts the second numeric expression from the first one.

numeric_expression1 – numeric_expression2

numeric_expression1, numeric_expression2

Is any valid expression of a numeric data type. For more information, see Integration Services Data Types.

Determined by the data types of the two arguments. For more information, see Integration Services Data Types in Expressions.

Enclose the minus unary expression in parenthesis to ensure that the expression is evaluated in the correct order

If either operand is null, the result is null.

This example subtracts numeric literals.

5 - 6.09

This example subtracts the value in the StandardCost column from the value in the ListPrice column.

ListPrice - StandardCost

This example subtracts a calculated value from the ListPrice column. The variable Discount% must be enclosed in brackets because the name includes the % character. For more information, see Identifiers (SSIS).

ListPrice - (ListPrice * @[Discount%])
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