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Category > Engineering Posted 17 Oct 2017 My Price 10.00

In this exercise you will derive relations from a conceptual data model

I am having trouble understanding the homework assignment given for this week.

I have attached the assignment instructions as

Assignment Instructions

Week 7 Database Exercise

In this exercise you will derive relations from a conceptual data model (ER diagram representation) and indicate the integrity constrains that should be implemented.

Instructions

1.  For the conceptual data model in Figure 17.10 on p. 510 in the Connolly textbook,  derive relations. Use Figure 17.8 on p. 505 as a guideline for representing the relations.  The relations should  include:  relation_name( attribute list), primary key, alternate key  and foreign key as illustrated in Figure 17.8.  Place your exercise in a Word file named like Week7DatabaseExerciseYourLastNameYourFirstName.docx.  Also indicate the integrity constraints that should be implemented for each relation.

2.  Note that each entity should result in a relation.

3.  Organize your submission by including the integrity constraints required for each relation underneath your relation.

 

Figure 17.10

 

well as the the figures shown in the book.

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SophiaPretty
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Status NEW Posted 17 Oct 2017 12:10 PM My Price 10.00

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