mysqldump is an easy and quick tool to create a backup of MySQL databases. It creates a dump file of MySQL databases containing SQL commands to recreate the database at the destination MySQL server. mysqldump allows you to backup a single database and multiple databases as well. Are you looking to take the MySQL database using the cron? Please refer to take MySQL database using cron for more details.
Take MySQL Database Backup
To take backup of MySQL database, you'll have to connect to MySQL server through the command line.
mysql -uusername -p // Replace username with your username.
Enter MySQL user password and hit Enter. You will see a MySQL prompt appears. To take backup of MySQL database, first, you must know the database name you wish to backup. You can display all databases by firing the following command at the MySQL prompt.
Now, assume that you want to take a backup of the database named mysql-database.
mysqldump mysql-database > mysql-database-backup.sql
This command will backup database mysql-database into a SQL dump namely mysql-database-backup.sql.
mysqldump --databases mysql-database-one mysql-database-two mysql-database-three > database-backups.sql
This command will backup databases mysql-database-one, mysql-database-two, and mysql-database-three into a SQL dump file namely database-backups.sql.
Restore MySQL Database
To restore a MySQL database from a backup file, fire the following command.
mysql mysql-database < mysql-database-backup.sql
Here, mysql-database is the name of the database you want to restore and mysql-database-backup.sql is the backup file to be restored.