MySQL backup and restore

mysql Backup ：

1. stay MySQL Command to export a table in ：mysqldump -h 192.168.5.237 -u root -p dvwa users >user.sql

2. Command to export a database ：mysqldump -h 192.168.5.237 -u root -p -B dvwa >dvwa_backup.sql What needs to be noted here is : -B There are the following differences between adding and not adding ：
   Add -B
   
   No addition -B
   
   As shown in the above two figures , added -B Later generated sql Statement will create a database create Commands and working with databases use The order of

3. Export all databases ： mysqldump -h 192.168.5.237 -u root -p --all-databases >all_databases.txt
   You can also use ：mysqldump -h 192.168.5.237 -u root -p -A >all_databases_A.sql

mysql Restore ：

1. Restore database ：
   mysql -h 192.168.5.1 -u root -p < dvwa.sql

2. Restore data table ：
   mysql -h 192.168.5.1 -u root -p test < user.sql
   among test Is the name of the database to be imported ,user.sql Create tables and import data sql sentence