infovore + database + programming   7

Composite Primary Keys
Composite keys for Rails/ActiveRecord. Really does appear to work, too, which is nice.
activerecord  database  keys  composite  programming  rubyonrails  ruby 
july 2010 by infovore
mysqlgame
"Are you tired of browser-based games that are thinly veiled interfaces for databases? Finally, there's a game that just is a database!" This looks awesome.
mysql  games  database  programming 
august 2008 by infovore
DataMapper
"DataMapper is a Object Relational Mapper written in Ruby. The goal is to create an ORM which is fast, thread-safe and feature rich." Looks very interesting; I rather like the migration-within-the-model thing (a la Django). One to watch out for.
ruby  database  orm  programming  development  datamapper 
november 2007 by infovore
How to find the max row per group in SQL without subqueries - Xaprb
As with so many other SQL challenges, if you re-phrase the question, it’s easy to select the maximum or minimum row per group without subqueries. The key is to understand what you want, and to be able to word the problem in a way that translates from En
sql  mysql  database  programming  performance  howto 
may 2007 by infovore
How to use SQLite with Ruby On Rails
For all those times when a real database is overkill
sqlite  ruby  rails  rubyonrails  development  programming  database 
march 2006 by infovore

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