简述mysql中createroutine命令

1、如果用户有create routine 权限那么他就可以创建procedure | function 。

2、如果用户创建了procedure | function 那么mysql 会自动赋予它对procedure | function 的alter routine和execute 权限。

3、例子：

用户root用户创建一个spuser@&＃39;localhost&＃39;用户并对它赋予create procedure 权限

grant create routine on tempdb.* to spuser@&＃39;localhost&＃39; identified by &＃39;123456&＃39;;

用spuser@&＃39;localhost&＃39;用户去创建一个routine

delimiter go
create procedure sp_hello_world()
begin
  select &＃39;hello world&＃39;;
end 
go

delimiter ;

再一次查看spuser@&＃39;localhost&＃39;的权限

mysql> show grants;
+---------------------------------------------------------------------------------------------------------------+
| Grants for spuser@localhost                                          |
+---------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO &＃39;spuser&＃39;@&＃39;localhost&＃39; IDENTIFIED BY PASSWORD &＃39;*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9&＃39; |
| GRANT CREATE ROUTINE ON `tempdb`.* TO &＃39;spuser&＃39;@&＃39;localhost&＃39;                          |
| GRANT EXECUTE, ALTER ROUTINE ON PROCEDURE `tempdb`.`sp_hello_world` TO &＃39;spuser&＃39;@&＃39;localhost&＃39;          |
+---------------------------------------------------------------------------------------------------------------+