linux the import, export data mysql

1. Log mysql

        数据库ip       用户    密码
mysql -h127.0.0.1   -uroot -proot123

2, select the database

     数据库名称
use mysqldemo;

3, import data

1. sql file uploaded to the server directory

2. Execute the sql file

source /home/yiqingsystem/yiqingsystem-2002282218.sql;

#第二种方法  mysql -u用户名 -p密码 数据库名 < 数据库名.sql
mysql -h127.0.0.1 -uroot -proot23 yiqingsystem < /home/yiqingsystem/yiqingsystem-2002282218.sql;

4, export data

Export Table and Table 1. The data structure

mysqldump  -h127.0.0.1 -uroot -proot23 yiqingsystem >/home/mysqlBackups/yiqingsystem/yiqingsystem-20202285447.sql

2. Export table structure

mysqldump  -h127.0.0.1 -uroot -proot23 -d yiqingsystem >/home/mysqlBackups/yiqingsystem/yiqingsystemtable-20202285447.sql