No, but a table lock or two may be expected. This is to PREVENT data loss (which you were also worried about).
The mysqldump process will most likely be quick and painless (quick being a relative term, depending on the amount of data in your database(s)). Craig On Nov 13, 2007 2:35 PM, Naufal Sheikh <[EMAIL PROTECTED]> wrote: > So is it safe to take the dump while database is running. I mean is > there any loss of data expected because of taking dump while a > database is running. > > On Nov 13, 2007 2:26 PM, Michael Dykman <[EMAIL PROTECTED]> wrote: > > > > On Nov 13, 2007 2:11 PM, Naufal Sheikh <[EMAIL PROTECTED]> wrote: > > > Hello everyone, > > > > > > Few conceptual questions which I can't understand. If any one can > > > please gimme a a quicky! > > > > > > Am I correct when I say that "mysqldump' only works when the database > > > is up and running? and if it is true can any one please tell me that > > > does taking a dump when a database is running is ok. Also the whats > > > the difference in usage of mysqldump and taking just the backup of the > > > database. > > > > > > Regards > > > Naufal > > > > Yes, mysqldump is just a specialized client for MySQL, it performs all > > of it's operations through a server. > > > > Whereas a raw file dump is, well, a raw file dump, mysqldump generates > > SQL scripts which will recreate your databases, tables and data when > > piped in to a simple command line client thus: > > > > mysqldump -h localhost -u user -p mydatabase > mydatabase.sql > > > > then, it may be recreated > > > > mysql -h otherserver -u user -p databasewhichexists < mydatabase.sql > > > > (command line examples are for *nix, but windows variants exist) > > > > - michael dykman > > > > > > > > -- > > - michael dykman > > - [EMAIL PROTECTED] > > > > - All models are wrong. Some models are useful. > > > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: > http://lists.mysql.com/[EMAIL PROTECTED] > >