Question: Besides the relational database model, what other database models are available? Name two and briefly describe them. How different are conceptual, logical, and physical database

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

How different are conceptual, logical, and physical database models? Give a few examples and explain.

Between two data entities, give two examples of one-to-one, one-to-many, and many-to-many relationships.

What are two examples of structural constraints we use in designing relational database models? Briefly explain each.

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