Book notes – Designing Data-Intensive Applications: The Big Ideas Behind Reliable, Scalable, and Maintainable Systems

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Comparison Relational Model vs. Document Model

Datalocality in document model – joins can be avoided. Tree structure is also possible.

Relational model uses schema-on-write. First you need to define schema. Then you can fill the schema with data.

Document Model uses schema-on-read. You ingest your data in data lake. Then you can flexible define the model during the reading of data.

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