[Phpwm] Non-Relational Databases

[keith Pope]

Sebastian Bergmann PHPUnit author has an interesting project using
CouchDB in his git account:

http://github.com/sebastianbergmann/php-object-freezer/tree/master

2009/2/25 Alex Mace <alex at hollytree.co.uk>:
> Haha, yes, I was thinking that myself really. MySQL is a RDBMS though :)
>
> Having done a little more reading on it, it looks like they're useful
> for storing "things" with arbitrary meta data attached to them.
> Perhaps not quite what I was thinking might be useful, although I can
> see applications since a lot of these systems seem to be able break
> down queries and scan the data in a parallel fashion, which as far as
> I'm aware conventional RDBMS databases stuggle with.
>
> Alex
>
> On 25 Feb 2009, at 13:49, David Goodwin wrote:
>
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>> Alex Mace wrote:
>>> Hello all,
>>>
>>> Has anyone played around with any of the non-relational databases
>>> that
>>> seem to be getting a bit trendy? I'm thinking of things like Apache
>>> CouchDB, Amazon SimpleDB, Google BigTable (part of the App Engine I
>>> believe?). I've only ever worked with or been taught about relational
>>> databases and I'm wondering what, if any, benefits these could give
>>> me. I've got an inkling that they're useful for storing and querying
>>> large amounts of arbitary data. Perhaps something thats useful for
>>> data mining?
>>>
>>> Thoughts?
>>
>>
>> <cheeky-comment>
>> Aren't most MySQL databases non-relational with their lack of foreign
>> keys & constraints?
>> </cheeky-comment>
>>
>> I did once look into an Object database (Ozone) for Java quite a few
>> years ago, it was interesting enough, but you'd need to ensure your
>> objects had appropriate accessor methods to (effectively) allow you to
>> do appropriate "queries"... so we ended up sticking with PostgreSQL.
>>
>> A previous employer had a non-relational ISAM-based database, which we
>> felt sucked big time (mainly because it didn't support SQL, so data
>> retrieval was painful (i.e code based)). It is/was a legacy thing,
>> rooted in 1980something.
>>
>>
>>
>> David.
>>
>> - --
>> David Goodwin
>>
>> [ david at codepoets dot co dot uk ]
>> [ http://www.codepoets.co.uk       ]
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[MuTe]
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