week7 homework

week7 homework - 1. The following data elements comprise...

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1. The following data elements comprise the conceptual- level schema for a database: Billing address Cost Credit limit customer name dae description invoice number item number price quantity on hand quantity sold shipping address terms Required: a. Identify three potential users and design a subschema for each. Justify your design by explaining why each user needs access to that data element. b. Using any relational database product, such as Microsoft Access, create the set of tables to implement your schema. Specify the primary key(s) and foreign key(s) for each table. Learn how to enforce referential integrity, and test your model by entering sample data in each table. 2. Item number Date of purchase Vendor number Vendor address Vendor name purchase price Quantity purchased Employee number Employee name Purchase order number
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week7 homework - 1. The following data elements comprise...

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