SIGN is one of the vital Numeric/Math functions of Oracle. It is used to get a value indicating the sign of a number. The SIGN function is supported in the various versions of the Oracle/PLSQL, including, Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i and Oracle 8i.
Syntax:
SIGN ( number )
Parameters: number: It is used to specify the numbers to be tested for its sign.
Example 1:
SIGN (10) |
Output:
1
Explanation: The SIGN function returns 1, if number is greater than 0.
Example 2:
SIGN (0) |
Output:
0
Explanation: The SIGN function returns 0, if number is equal to 0.
Example 3:
SIGN (-10) |
Output:
-1
Explanation: The SIGN function returns -1, if number is less than 0.
