Question: A database approach uses different data models. Common database models include the relational model, the network model, and the hierarchical model. a) For all three

A database approach uses different data models. Common database models include the relational model, the network model, and the hierarchical model. 


a) For all three common database models explain which data model should be chosen under which circumstances and why? 


b) Discuss and describe, with examples, three practical databasesthat have applied the abovementioned three distinct database approaches.

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