How can I save stats?

Hello, I'm intrested in how to save database/player stats by using a command. I know how it works with if player is conected and for max players but I'm intrested in function.

I'm using mySQL database, https://github.com/pBlueG/SA-MP-MySQ...stem-cache.pwn

Here is the link, if you want to find more about my data structure. :)