The method of changing negative number to positive number by mysql
This article will explain in detail the method of turning negative numbers to positive numbers in mysql. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.
Mysql's method of turning a negative number into a positive number: use the function [abs ();] to turn a negative number into a positive number with the code [mysql > select abs (3-5); abs (3-5); row in set (0.00 sec)].
The method of changing a negative number to a positive number by mysql:
1 、 MySQL
Function: abs ()
Abs (); / / convert a negative number to a positive number
It is as follows:
Mysql > select abs (3-5); +-+ | abs (3-5) | +-+ | 2 | +-+ row in set (0.00 sec)
2 、 PHP
Function: abs ()
