1、mysql 创建用户：
CREATE USER 'beijing'@'%' IDENTIFIED BY 't8D66s4D$_!YsYC';
2、给创建的用户赋权：
GRANT ALL PRIVILEGES ON beijing_cp.* TO 'beijing'@'%';
FLUSH PRIVILEGES;
-------------------------------------------------或者-----------------------------------------------------------
1、创建用户
CREATE USER jiaxin;
ALTER USER jiaxin IDENTIFIED BY 'jiaxin'; -- 密码根据情况修改
UPDATE mysql.user SET HOST = '%' WHERE USER = 'jiaxin';
2、创建数据库
CREATE DATABASE `jiaxin` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci */ /*!80016 DEFAULT ENCRYPTION='N' */;
3、给用户赋权
GRANT ALL ON jiaxin.* TO 'jiaxin'@'%';
UPDATE mysql.user
SET Select_priv = 'Y',
Insert_priv = 'Y',
Update_priv = 'Y',
Delete_priv = 'Y',
Create_priv = 'Y',
Drop_priv = 'Y',
Reload_priv = 'Y',
Shutdown_priv = 'Y',
Process_priv = 'Y',
File_priv = 'Y',
Grant_priv = 'Y',
References_priv = 'Y',
Index_priv = 'Y',
Alter_priv = 'Y',
Show_db_priv = 'Y',
Create_tmp_table_priv = 'Y',
Lock_tables_priv = 'Y',
Execute_priv = 'Y',
Repl_slave_priv = 'Y',
Repl_client_priv = 'Y',
Create_view_priv = 'Y',
Show_view_priv = 'Y',
Create_routine_priv = 'Y',
Alter_routine_priv = 'Y',
Event_priv = 'Y',
Trigger_priv = 'Y'
WHERE USER = 'jiaxin';