[erlang-questions] Twoorl: an open source Twitter clone
Thu Jun 5 21:40:11 CEST 2008
Makes one wonder where the database refactoring tools are :)
On 6/6/2008 5:18 AM, Christian S wrote:
>> That's true - relational databases have ossified. The original Date book
>> on SQL databases, IIRC, seemed to cast them in the light of being a tool
>> for executives to quickly and arbitrarily query the company's
>> information repository. I cant quite remember what the orginal IBM SQL
>> database was called, but Query-By-Example seemed to be an essential element.
> My experience with rdbms told me that it is a really bad idea to write
> queries that depend on table names and layouts. That is what makes it
> so hard to evolve a db. All the applications using it depend on the
> current schema.
> So stored procedures are a really good idea.
> I assume there is a similar lesson to mnesia, put all your transaction
> funs for a given mnesia-using application in a single module.
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