1、登录数据库

mysql -h localhost -uroot –p

2、导出数据库

mysqldump -uroot -p db > db.sql

3、导入数据库

mysql -uroot -p db < db.sql

4、开启远程登录，局域网访问

grant all privileges on *.* to 'root'@'%' indentified by '你的密码' with grant option;

flush privileges;

5、创建用户

CREATE USER 'test'@'localhost' IDENTIFIED BY 'password';grant all privileges on *.* to test@'localhost' identified by 'test';

6、创建表

CREATE SCHEMA testdb DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;

7、赋予数据库权限

GRANT ALL ON testdb.* TO 'test'@'localhost';

8、增删改查

UPDATE 表名 SET 字段名1='a',字段名2='b' WHERE 字段名3='c';

insert into 表 values('字段');