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Document Data Model.

Document Data Model.

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Figure 1: U-Schema Metamodel.
Figure 2: Generic Schema Extraction Strategy.
Figure 3: "User profile" running example schema.
Figure 5: Graph Data Model.
+9 Figure 6: "User Profiles" Graph Database Example.
A Unified Metamodel for NoSQL and Relational Databases
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Full-text available
  • May 2021
The Database field is undergoing significant changes. Although relational systems are still predominant, the interest in NoSQL systems is continuously increasing. In this scenario, polyglot persistence is envisioned as the database architecture to be prevalent in the future. Multi-model database tools normally use a generic or unified metamodel to...
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Fig. 2. Generic schema extraction strategy.
Fig. 3. ''User profile'' running example schema.
Fig. 5. Graph data model.
Fig. 6. ''User Profiles'' graph database example.
+14 Fig. 7. Example person data with address aggregate.
A unified metamodel for NoSQL and relational databases
Article
Full-text available
  • Sep 2021
The Database field is undergoing significant changes. Although relational systems are still predominant, the interest in NoSQL systems is continuously increasing. In this scenario, polyglot persistence is envisioned as the database architecture to be prevalent in the future. Therefore, database tools and systems are evolving to support several data...
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