- (Subtract) (SSIS Expression)

APPLIES TO: yesSQL Server, including on Linux yesAzure SQL Database yesAzure SQL Data Warehouse noParallel Data Warehouse

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.

Result 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.

Expression Examples

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%])  

See Also

Operator Precedence and Associativity
Operators (SSIS Expression)