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2 votes
1 answer
505 views

Data modeling for NoSQL document database

Below are the common phases applied, for a real world requirement(data) map to DBMS specific schema. Conceptual models ER/EER/CODASYL/Hierarchical bridge the gap, in mapping the real world data(...
overexchange's user avatar
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3 votes
4 answers
2k views

Using a relational and a non-relational database in the same project?

I ran into a problem on the project I'm working on right now. It is basically an app that stores a path based on GPS coordinates. The app runs on android an saves the GPS location every second and ...
Jonas Wirth's user avatar