Relational Database Design and Modeling for Software Engineers
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Data Modeling Process

You are handed a one line brief: build the system that runs the college library.

Where do you start? Not with tables. Starting with tables is the most common mistake, because it fixes your answer before you understand the question.

The work has a fixed order, and each step produces something you can show to somebody. This lesson walks through that order using the same library.

Step 1. Gather the requirements

Talk to the people who do the work. Write down what the system must record and which questions it must answer.

For the library that list looks like this:

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