What are the three classic data models?
- 爱喝马黛茶的安东尼Original
- 2020-01-04 09:16:296358browse
The three classic data models are relational data model, network model and hierarchical model.
Features:
The relational data model is easy to model, inefficient and easy to use.
The mesh model is difficult to model, highly efficient, and difficult to develop.
Hierarchical models are difficult to model, highly efficient, and difficult to develop.
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