At 01:11 AM 4/29/2002 -0700, Ronald Bourret wrote:
>In the data-centric world, reuse is likely going to be done through
>something like XQuery, which allows you to rearrange whatever it is you
>want to reuse. That means that, unless the format is entirely silly, you
>can probably massage it into what you want
XQuery is pretty powerful, but inconsistent data is still a problem, so you
want to make sure that updates are done consistently.
If my database has two places to record your salary, and I get a different
answer depending on how I look for your salary, there's a problem with the
data, and that doesn't depend on whether the data is represented in rows
and columns or using XML.
Jonathan