There I was brainstorming ideas to replicate the hierarchical database/collection/document management that MongoDB and CouchDB offer. One solution I have used,

There I was brainstorming ideas to replicate the hierarchical database/collection/document management that MongoDB and CouchDB offer. One solution I have used, and became disenchanted with, was combined keys with all this information munged together. It would be interesting to hear what others do with their key/value stores.