MySQL self-brought function collation and use

Refer to MySQL official website: Functions and operators introduction

Time and date functions please refer to: Mysql5.5 official documentation

General use List

1. View the current date of the system

You can call the DATE function

Mysql>select now ();

Mysql>select sysdate ();

Mysql>select current_date ();

2. Database Information view

Mysql>select database () Current databases
Mysql>select verdion () Current version
Mysql>select User () current users

Not to be continued

MySQL self-brought function collation and use