INFO321 wk 4 DQ Review section 4.2.6 Representing Relational Database Schemas

INFO321 wk 4 DQ Review section 4.2.6 Representing Relational Database Schemas

Review section 4.2.6 Representing Relational Database Schemas – using “plain” English discuss what the diagrams represent (especially the first diagram). Use the more common terms: such as table, field, primary key – and compare the initial set of notations with the “Instance of the DreamHome rental database” – do they represent the same database. Consider the Composite key identified in the Views table: given your understanding of the Viewing table, would the database be able to store a second (or third etc.) record the dates if the same client wanted to “view” the same property more than once? Why?

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