On 9 Oct 2006, at 21:19, Douglas Garstang wrote:
I'm just going to jump in here, and ask a stoopid question.
How could you possibly write a multi-user front end in AJAX without
using a database backend like MySQL?
Wandering off topic here, but I'll bite....
There are a few options for backing store when a full database is
overkill.
0) in-memory - load it all into a hash table at start-up and query
that (like asterisk in static mode)
1) carefully structured filesystem, using directory trees for
navigation, files for records etc
(you can even use symlinks for foreign keys) - you'd be amazed how
good the filesystem is
as a database :-)
3) xml files with xsl to query the data. This works really well for
smallish files that don't change
much. Each file change requires a re-write of the whole file, so it
is inefficient for writes
4) variation on 0 - one of the in-memory relational databases
I used (don't now) to take the view that anyone who didn't need
oracle didn't need a
real database, so one of the above would be adequate....
The option discussed earlier of mysql on a ram disk is a variation of
4 I guess.
Tim Panton
www.mexuar.com
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