mysql创建数库及用户

first go to mysql install dir

mysql.exe -u root -p

enter your password.

check exist databases:

mysql>show databases;

create the db:

mysql>create database abc;

create the db use some charset beside default:
mysql>create database if not exists abc default charset utf8mb4 COLLATE utf8mb4_unicode_ci;
ps: for some unusual chinese characters utf8mb4 is better than utf8;

cerate user:

1.local user:

mysql> create user user1@localhost identified by '123';

2.remote user:

mysql> create user user1@'%'identified by '123';

授权：

所有权限

mysql> grant all privileges on abc.* to  user1@localhost;

部分权限

mysql> grant select, insert, update, delete on abc.* to  user1@'%';

mysql> flush privileges;

修改密码

mysql> set password for user1 =‘456’;
for mysql after 5.5
mysql> set password for user1 =password(‘456’);

mysql> flush privileges;

或者

mysql> use mysql;
mysql> update user set password = '456' where user = 'user1';
for mysql after 5.5
mysql> update user set password = password('456') where user = 'user1';
mysql> flush privileges;