I'd probably put it all in Rails migrations, so at least there's consistency 
and a single point of truth. Otherwise, you may end up with code in one place 
making one change, and then code in another - unaware of those changes - try to 
do the same thing, or try something now impossible.

Granted, I'd prefer just to avoid the situation completely and have it all one 
app, one language, one framework.

-- 
Pat

On 01/08/2012, at 2:48 PM, marsbomber wrote:

> Hi guys, 
> 
> I'd love to get your ideas on how to manage a database if it's used by 
> multiple applications.
> 
> Here's the scenario. A MySQL database will be used by 2 separate 
> applications, one written in Ruby/Rails, the other written in Perl.
> 
> Let's say there're 5 tables in the db, "one", "two", "three", "four" and 
> "five". The Rails app uses 3 tables "one", "two" and "three". The Perl app 
> uses "three", "four" and "five".
> 
> Rails can handle "one", "two", "three" using db migration. 
> - Should it handle table creation/migration for "four" and "five"? 
> - What about table "three"? If the Perl app needs to add extra columns for 
> its own purpose, should the changes be done using the Rails db migrate?
> - What's the best approach to make the WHOLE database scriptable, versionable 
> and CI-buildable?
> 
> Thanks,
> Jim
> 
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