Question: 1 . There are many database models. What characterizes the relational database model compared to the other? Name two and briefly explain / 2 .

1 .

There are many database models. What characterizes the relational database model compared to the other? Name two and briefly explain

/ 2 .

Besides the relational database model, what other database models are available? Name two and briefly describe them

. 3

How different are conceptual, logical

,

and physical database models? Give a few examples and explain.What are two examples of structural constraints we use in designing relational database models? Briefly explain each. Provide answers for this as short answers

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