How to back up a MySQL database using mysqldump

In practical work, regular database backup is extremely important. When using MySQL, we have a lot of options for database backup. This article will introduce you to how to use MySQL mysqldump to back up the database.

　　I. Importance of Data Backup

At work, if an important file or directory is accidentally deleted, the result will be miserable. This is especially true when accidentally deleted data involves important customers or key projects that cannot be easily re-created. Unfortunately, such data is everywhere in the company environment, such as sales records, customer contact information, and so on.

Therefore, regular database backup is the most important thing in actual work. Otherwise, it may have disastrous consequences. When we use MySQL, there are many options for database backup. This article describes how to use mysqldump of MySQL to back up databases.

　　Ii. About mysqldump

MySQL itself provides many command line tools. For example, mysql can be used to interact with MySQL database modes, Data, users, and configuration variables, while MySQL admin can perform various management tasks, in addition, mysqldump will be introduced below. There are many more, but that is beyond the scope of this article. The mysqldump tool can be used to back up both the database mode and data. With it, we can not only perform carpet backup on all databases on a server, at the same time, we can also selectively back up a database or even some specified tables in the database.

When installing MySQL on the server, modify the system path so that the global command line can access various customer programs. Open the terminal window and run the following command:

%> Mysqldump Usage: mysqldump [OPTIONS] database [tables] OR mysqldump [OPTIONS]
-- Databases [OPTIONS] DB1 [DB2 DB3. ..] OR mysqldump [OPTIONS] -- all-databases [OPTIONS]
For more options, use mysqldump -- help