10
votes
1answer
2k views

How do databases store index key values (on-disk) for variable length fields?

Context This question pertains to the low-level implementation details of indexes in both SQL and NoSQL database systems. Actual structure of the index (B+ tree, hash, SSTable, etc.) is irrelevant as ...
17
votes
2answers
1k views

CouchDB vs MongoDB [closed]

Evaluating document-oriented storage, what are the pros and cons of CouchDB vs MongoDB?