portableSql
Sign Portable SQL Function
Syntax
Sign as N (Number as N)
Arguments
- NumberNumeric
A numeric field or value.
Returns
- resultNumeric
Returns 1 if Number is positive, 0 if it is zero and -1 if it is negative.
Description
Returns 1 if Number is positive, 0 if it is zero and -1 if it is negative.
Discussion
The Sign function returns 1 if Number is positive, 0 if it is zero and -1 if it is negative.
Sign() function executed on the Northwind Access database
SELECT FIRST 1 Sign(-12) AS EXPR1, SIGN(4) AS EXPR2 FROM Products = -1|1