April 2017
Beginner to intermediate
360 pages
9h 35m
English
Content preview from Learning Apache Cassandra - Second Edition
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Cassandra data modelling
Cassandra data modeling is the process of designing tables. This could involve drawing up an entity-relationship diagram, designing tables based on queries, and finally, making optimizations based on the features supported by Cassandra. Ideally, the data model can be split into three levels of abstraction:
- Conceptual data model: A conceptual data model represents a high level view of the data. It is technology agnostic and not specific to Cassandra or any other database system. The purpose of creating a conceptual data model is to understand the data. We get a clear idea of the entities involved and the relationships between different entities. For our case, we will be using the entity relationship model as the conceptual ...
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