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Today, I will talk to you about what the function of mysql becomes a negative number is, many people may not know much about it. In order to make you understand better, the editor summarizes the following content for you. I hope you can get something according to this article.

What is the function in which mysql becomes negative?

1.abs () absolute value

Select-abs (amount)

2.0-amount inverse number

Select 0-amount

3.-1*amount inverse number

Select-1*amount

MySQL is a relational database management system developed by the Swedish company MySQL AB and belongs to the products of Oracle. MySQL is one of the most popular relational database management systems. In the aspect of WEB application, MySQL is one of the best RDBMS (Relational Database Management System) application software. MySQL is a relational database management system in which relational databases store data in different tables instead of all data in one large warehouse, which increases speed and flexibility.

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