it's not PHP, but mysqldiff is a perl tool that would probably give you the desired results. it can generate the SQL necessary to sync databases. http://adamspiers.org/computing/mysqldiff/ (sorry if anyone got this in duplicate, i was having probs sending to the list until i fixed the envelope.) - john On Thu, Mar 13, 2003 at 09:16:51PM -0500, John W. Holmes <holmes072000@charter.net> wrote: > > I'm developing an intranet-based application using PHP and MySQL. We > > release new versions of our application regularly, and synchronizing > the > > structure of the databases is beginning to be a headache. > > > > Do any tools exist that would let me sync the structure of two > > databases? Ideally, I'd like to include a "mysqldump --no-data" (or > > something analogous) file with each of our releases, and run a script > on > > the client's server that would update the structure of their own local > > database from that file. > > > > We're cross-platform (windows, linux, and mac). And, all servers are > > behind their own firewalls. > > > > I'm aware of sqlyog (http://www.webyog.com/sqlyog/download.html), but > I > > need something that can be written in php, and works without a "live" > > connection to the "master" database. > > I don't know of any automatic way to do it. It wouldn't be too hard to > write a little PHP script that gets the difference between two mysqldump > files and generates the appropriate ALTER and INSERT queries to bring > the old database up to date. An exec call do diff might even make it > easier (I don't know anything about diff, but I'm guessing it could > help.) Actually, now that I think a little more about it, it would be a > little hard, but not impossible. :) > > ---John W. Holmes... > > PHP Architect - A monthly magazine for PHP Professionals. Get your copy > today. http://www.phparch.com/ -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php