I'm personally not sure wether the banking example is good one or not, but: summing up transactions isn't that bad, since the result is saved in the views b-tree. after first computation you get the result very fast.
On 14.11.2010, at 08:39, Andy wrote: > > Im well versed in Java/Hibernate/RDBMS. Im trying to get my head around how > NoSQL does not use transactions. > I read the Banking Recipe which didn't really do the job: > http://guide.couchdb.org/draft/recipes.html > So if I wanted to write an online banking app, I would have say a million > Transaction Documents, and to find a persons balance I would need to sum all > transactions? There must be a better way. >
