05 Dec '12, 10am

Some essential best practices for using a SQL database with Rails: "Ensuring Data Integrity with Ruby on Rails"

Those practices are not only worthwhile but essential ones. It is a shame that so many applications don’t employ them as a common practice just like worrying about SQL-injection attacks. It is even a bigger shame that Rails migrations don’t have built-in support for foreign keys and several other constraints. For instance, in some databases you’ll want your unique constraints to be declared as deferrable, like when using with plugins like acts_as_list and awesome-nested-set. I only think you missed out an important information for those MySQL users out there (although I guess they don’t actually mind about data integrity or they would be using something else). They should never use the MyISAM engine (it used to be the default one until very recently).

Full article: http://reverbhq.com/blog/2012/12/ensuring-data-integrity/

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