MySql learn -2 docking NavicatforMySQL and MySql as well as some actions:

1. connection:

 

 

 2. Create a database:

 

3. Create a database table:

  

Table 4. Design:

 

　　4.1 Design tables:

        

　　4.2 increases data ( auto-increment value is only guaranteed to be unique, even if the data is deleted also get forward ):