How to backup and import database in mysql

This article mainly shares with you how to back up and import the MySQL database. I hope it can help you.

Back up all databases
Execute from the system command line: mysqldump -uusername -ppassword --all-databases > all.sql

Back up a single database
Execute from the system command line: mysqldump -uusername -ppassword --databases db1 db2 > db.sql
Export db1 and db2 to a db.sql file.

Import database
1. Execute from the system command line: mysql -uusername -ppassword db1 <br>In this case, the db1 database must be built in advance. <br>2. Or execute under the mysql command line: <code>source db1.sql
In this method, there is no need to create a database in advance, and the database will be created automatically.

Related recommendations:

Several methods of mysql database backup

Introduction to the use of MySQL database backup tool Mydumper

Detailed explanation of import and export of MySQL database

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