Name
abs() — Compute the numerical absolute value
Common Usage
abs( expression )Description
The abs() function returns the absolute value of an
expression. If the expression is an integer, an integer absolute
value is returned. If expression is a float, the floating-point
absolute value is returned. If number is NULL, a NULL is
returned. All other datatypes are first converted to
floating-point values, then the absolute value of the converted
floating-point number is returned.
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