Returns a numeric expression that is rounded to the specified length or precision. The length parameter must evaluate to an integer.
ROUND(numeric_expression,length)
Is an expression of a valid numeric type. For more information, see Integration Services Data Types.
Is an integer expression. It is the precision to which numeric_expression is rounded.
The same type as numeric_expression.
The length argument must evaluate to a positive integer or zero.
ROUND returns a null result if the argument is null.
These examples round numeric literals to a length of three. The first return result is 137.1570, the second 137.1580.
ROUND(137.1574,3) ROUND(137.1575,3)