Bundle: Database Systems: Design, Implementation, & Management, Loose-leaf Version, 12th + Lms Integrated For Mindtap Computing, 1 Term (6 Months) Printed Access Card
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ISBN: 9781337129992
Author: Coronel
Publisher: CENGAGE L
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Chapter 9, Problem 10RQ
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Steps required in the development of an ER diagram:
The below are the eight steps that are required in the development of the ER diagram:
Step 1:
Business rules are identified, analyzed and refined.
Step 2:
Based on the results obtained from the step 1, the main entities can be obtained.
Step 3:
Based on the results obtained from the step 1 and 2, the relationships among the entities are obtained.
Step 4:
The attributes, primary keys and foreign key are defined for each of the entities...
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Scenario
You work for a small company that exports artisan chocolate. Although you measure your products in kilograms, you often get orders in both pounds and ounces. You have decided that rather than have to look up conversions all the time, you could use Python code to take inputs to make conversions between the different units of measurement.
You will write three blocks of code. The first will convert kilograms to pounds and ounces. The second will convert pounds to kilograms and ounces. The third will convert ounces to kilograms and pounds.
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For the purposes of this activity the template for a function has been provided. You have not yet covered functions in the course, but they are a way of reusing code. Like a Python script, a function can have zero or more parameters. In the code window you…
Chapter 9 Solutions
Bundle: Database Systems: Design, Implementation, & Management, Loose-leaf Version, 12th + Lms Integrated For Mindtap Computing, 1 Term (6 Months) Printed Access Card
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