Creating the Data Structures

Creating the data structures for the database is the third phase in the database-design process. You define tables and fields, establish keys, and define field specifications for every field.

Tables are the first structures you define in the database. You determine the various subjects that the tables will represent from the mission objectives you wrote during the first phase of the design process and the data requirements you gathered during the second phase. Then you establish these subjects as tables and associate them with fields from the field list you compiled during the second phase of the design process. After you've completed this task, you review each table to ensure that it represents only one subject ...

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