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12. Relational Databases: Can you relate... > Dataville Dispatch built an RDBMS wi...

Dataville Dispatch built an RDBMS with your relationship diagram

It was about time that the Dispatch loaded all those spreadsheets into a real RDBMS. With the diagram you brainstormed, along with the managing editor’s explanation of their data, a database architect pulled together this relational database.

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Sharpen your pencil

Here is the schema for the Dataville Dispatch’s database. Circle the tables that you’d need to pull together into a single table in order to show which author has the articles with the most web hits and web comments.

Then draw the table below that would show the fields you’d need in order create those scatterplots.

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Sharpen your pencil Solution

What tables do you need to join together so that you can evaluate each author’s popularity, by counting the web hits and comments that author receives?


  

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