In a Microsoft Excel spreadsheet, define columns with the following headings: Primary Key Name of Column Null (NorY) Datatype Description Foreign Key Foreign Key Table Each row will contain your rows for this table. Fill out the columns row-wise.

Now that you have defined your E-R model and project description in the project you started and worked on in Weeks 1 and 2, start converting your logical E-R model to a physical model.

In this week, complete the following tasks:

In a Microsoft Excel spreadsheet, define columns with the following headings: Primary Key Name of Column Null (NorY) Datatype Description Foreign Key Foreign Key Table Each row will contain your rows for this table. Fill out the columns row-wise. Using Microsoft Visio or Microsoft Paint, create an E-R model of the six tables from your spreadsheet for developing the business requirements and constraints that will maintain the business logic for your database. The E-R model should be readable and should map to the spreadsheet and the project description. It should have all the cardinality and optionality defined.

 

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