- (Subtract) (SSIS Expression)
Subtracts the second numeric expression from the first one.
Składnia
numeric_expression1 – numeric_expression2
Arguments
- 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.
Remarks
Enclose the minus unary expression in parenthesis to ensure that the expression is evaluated in the correct order
Uwagi
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%])
Zobacz także
Koncepcje
Operator Precedence and Associativity