By using the mysql dump client program, we can save backups of all databases to a file with a .sql extension. The following example can help with understanding:
In this example, we use the mysql dump client program to backup all databases into a file named 'alldatabases.sql'. The following command will accomplish this:
C:\mysql\bin>mysqldump -u root --all-databases > alldatabases.sql
The above command will create a file named alldatabases.sql that contains dump information for all databases.
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