Hello Dmitriy,
I think this combination of attributes and children:
>> >> > <user id="bla bla bla ...>
>> >> > <pref_money date="2010-52" money="760" />
>> >> > <pref_money date="2010-51" money="3848" />
>> >> > ... etc ...
>> >> > </user>
will be a good balance between size and my original problem
(combining user data and their stats in 1 chunk of information).
And I don't use JSON, because it is not natively
supported by Flex/Flash and my app is in Flex (here is its pic:
http://stackoverflow.com/questions/4548878/pl-pgsql-concatenating-row-values-to-a-json-like-string
)
>> > Well, generally storing data in attributes should be avoided:
You haven't backuped your statement by any arguments
Regards
Alex