4
votes
2answers
1k views

Document-oriented vs Column-oriented database fit

I have a data-intensive application that desperately needs a database make-over. The general data model: There are records with RIDs, grouped together by group IDs (GID). The records have arbitrary ...
1
vote
2answers
482 views

what is storing data in constant space?

"bloom filter allows us to store data in constant space" Can someone explain what exactly does that sentence means?
8
votes
6answers
817 views

Learn a NoSQL or become a badass with traditional RDMS - Where is/will the work be? [closed]

New Question Version: I've got the opportunity to spend 3 months getting good at something, its going to be either a NoSQL technology like Cassandra or optimising relational database systems. I ...