I'm trying to write a cron job to back up my databases. The manual says:

> Do a full backup of your databases:
>
> shell> mysqldump --tab=/path/to/some/dir --opt --full
>
> You can also simply copy all table files (`*.frm', `*.MYD' and`*.MYI'
> files), as long as the server isn't updating anything.The script
> mysqlhotcopy does use this method.

My question is, is it safe to use "mysqldump" to back up the database when
updates are occuring?

If not, how do I use mysqlhotcopy to back up every database, without
having to keep track of what the names of my databases are? The perldoc
for mysqlhotcopy shows that it needs a database name.

-Philip Mak ([EMAIL PROTECTED])


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