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When should you use a document vs relational vs graph database? [closed]
For the purposes of discussion let's consider a FourSquare scenario.
Scenario
Entities:
Users
Places
Relationships:
Checkins: users <-> places, many to many
Friends: users <-> users, many ...
2
votes
1
answer
314
views
Would a model like this translate well to a document or graph database?
I'm trying to understand what types of models that I have traditionally persisted relationally would translate well to some kind of NoSQL database. Suppose I have a model with the following ...
1
vote
3
answers
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Is OrientDB document-database? or graph-database?
Some document says OrientDB is document-database, some others talks it's graph-database. What's right?