Sign() returns 1, 0 or -1 depending on whether x is a positive number, 0, or a negative number.
Syntax:
Sign(x)
Return data type: numeric
Limitations:
If no numeric value is found, NULL is returned.
Examples and results:
| Examples | Results |
|---|---|
|
Sign( 66 ) |
Returns 1 |
|
Sign( 0 ) |
Returns 0 |
|
Sign( - 234 ) |
Returns -1 |
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