Questions from Database Systems


Q: Create the UML class diagram that reflects the entities and relationships you

Create the UML class diagram that reflects the entities and relationships you identified in the relational diagram.

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Q: Typically, a patient staying in a hospital receives medications that have

Typically, a patient staying in a hospital receives medications that have been ordered by a particular doctor. Because the patient often receives several medications per day, there is a 1:M relationsh...

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Q: Given the file structure shown in Figure, how many records does

Given the file structure shown in Figure, how many records does the file contain? How many fields are there per record?

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Q: Given the file structure shown in Figure P1.1, What

Given the file structure shown in Figure P1.1, What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure?

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Q: Given the file structure shown in Figure P1.1, if

Given the file structure shown in Figure P1.1, if you wanted to produce a listing of the file contents by last name, area code, city, state, or zip code, how would you alter the file structure?

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