Lesson 05 · 15 min
NoSQL models and how to choose a database
Document, key-value, wide-column and graph models, plus CAP and PACELC without formulas.
15 minLesson 5 of 10Practice includedAsk AI on any point
NoSQL does not mean "no SQL", it means "not only the relational model". Each model is optimized for its own access pattern. Choose by how you read and write data, not by fashion.
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