Exactly what Johan said.
I keep structure like so:
developer@mypse /var/www/dart2/UPDATES $ ll
-rw-rw-rw- 1 developer developer 551097 2009-12-22 23:16
drwxrwxrwx 2 developer developer 4096 2010-01-21 04:51 CVS
-rw-rw-rw- 1 developer developer 3063 2009-07-15 01:40 fix_airports.php
-rw-r--r-- 1 developer developer 23414 2010-01-21 03:52
-rw-rw-rw- 1 developer developer 12259 2010-01-06 05:22 UPDATES.sql
Any and all changes to DB schema are in the UPDATES/UPDATES.sql file and
each are commented with the date of the change, who did it, and why. This
file/dir is part of your repository, so as each developer checks out, they
would run the appropriate part of the script as well. I've not yet found a
good (and safe) way to automate this process.
/* 2009-06-01 [dv] fix the privileges for various users as they were all
REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'foo'@'10.10.10.%';
If you're using Subversion, you may find my "Subversion Flagged Update"
I also can vouche for SQLYog. Aside from being the absolute BEST mySQL GUI
I've ever used, it has a feature to create the schema differences between
two live databases. I've used it before to get a DEV and PROD server in
sync, so that I could then implement the above methodology.
> -----Original Message-----
> From: vegivamp@stripped [mailto:vegivamp@stripped] On
> Behalf Of Johan De Meersman
> Sent: Thursday, January 21, 2010 10:35 AM
> To: Price, Randall
> Cc: mysql@stripped
> Subject: Re: Best way to synchronize two database schemas
> The best way is to keep track of all individual changes to your
> staging environment, including fire-and-forget style scripts; and
> apply those to your production environment as needed. This is part of
> the process of change management, and generally a very good idea :-)
> Lacking that, there are several tools that can generate a differential
> script to do exactly this. I don't really use them, but I seem to
> remember that SQLyog and some expensive but excellent Quest tool could
> do it.
> On 1/21/10, Price, Randall <Randall.Price@stripped> wrote:
> > I have a two databases, one in a production environment
> (let's call it
> > db_prod) and the other in a testing environments (Let's
> call it db_test).
> > What is the best way to synchronize the database schemas?
> db_test has had a
> > few indexes and constraints added to several tables and I
> need to generate a
> > MySQL script to apply these changes to db_prod. So
> basically I want to dump
> > the schemas of the two database, compare, and generate the
> necessary script
> > to apply to db_prod.
> > Thanks,
> > Randall Price
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