MySQL——备份与恢复

一、创建素材

创建并查看student表

CREATE  TABLE  student (
id  INT(10)  NOT NULL  UNIQUE  PRIMARY KEY,
name  VARCHAR(20)  NOT NULL,
sex  VARCHAR(4),
birth  YEAR,
department  VARCHAR(20),
address  VARCHAR(50) 
);

创建并查看score表

CREATE  TABLE  score (
id  INT(10)  NOT NULL  UNIQUE  PRIMARY KEY  AUTO_INCREMENT,
stu_id  INT(10)  NOT NULL,
c_name  VARCHAR(20),
grade  INT(10)
);

二、练习

1.备份数据库school到/backup目录

mysqldump -uroot -pMySQL@123 school > /backup