CS371 Database Design Week 5 Assignment Chapter 6 Questions

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CS371 Database Design Week 5 Chapter 6 Exercise 1

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CS371 Database Design Week 5 Assignment Chapter 6 Questions

Chapter 6 Exercises 1 page 154: Use MySQL Workbench to construct the relational diagram for this database.
Chapter 6 Exercises 2 page 154: Use MySQL Workbench to construct the relational diagram for this database.
Chapter 6 Exercise 5 page 155: Submit responses in Word Doc format.

You may submit a single word doc with SQL queries and your models pasted in – OR – submit separate files including PDFs of your models and a word doc with your queries.

Chapter 6 Exercise 1 page 154: Use MySQL Workbench to construct the relational diagram for this database:

1.  Leslie’s Auto Sales has a relational database with which it maintains data on its salespersons, its customers, and the automobiles it  sells. Each of these three entity types has a unique attribute identifier.
The attributes that it stores are as follows:
• Salesperson Number (unique), Salesperson Name, Salesperson Telephone, Years with Company
• Customer Number (unique), Customer Name, Customer Address, Value of Last Purchase From Us
• Vehicle Identification Number (unique), Manufacturer, Model, Year, Sticker Price Leslie’s also wants to keep track of which salesperson sold
which car to which customer, including the date of the sale and the negotiated price. Construct a relational database for Leslie’s Auto Sales.

Answer:


Chapter 6 Exercise 2 page 154: Use MySQL Workbench to construct the relational diagram for this database.

2.  The State of New York certifies firefighters throughout the state and must keep track of all of them, as well as of the state’s fire departments. Each fire department has a unique department number, a name that also identifies its locale (city, county, etc.), the year it was established, and its main telephone number. Each certified firefighter has a unique firefighter number, a name, year of certification, home
telephone number, and a rank (firefighter, fire lieutenant, fire captain, etc.) The state wants to record the fire department for which each firefighter currently works and each firefighter’s supervisor. Supervisors are always higher-ranking certified firefighters.
Construct a relational database for New York’s fire departments and firefighters.

Answer:


Chapter 6 Exercise 5 page 155: Submit responses in Word Doc format.

5. In the General Hardware Corp. database of Figure 6.1, what would happen if:
a. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is restrict and an attempt is made to delete the record for customer 2198 in the CUSTOMER relation?
b. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is cascade and an attempt is made to delete the record for customer 2198 in the CUSTOMER relation?
c. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is set to null and an attempt is made to delete the record for customer 2198 in the CUSTOMER relation?
d. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is restrict and an attempt is made to delete the record for employee 33779 of customer 2198 in the CUSTOMER EMPLOYEE relation?
e. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is cascade and an attempt is made to delete the record for employee 33779 of customer 2198 in the CUSTOMER EMPLOYEE relation?
f. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is set-to-null and an attempt is made to delete the record for employee 33779 of customer 2198 in the CUSTOMER EMPLOYEE relation?

Answer:

Regular Price: $20.00

Special Price: $15.00

Details

CS371 Database Design Week 5 Assignment Chapter 6 Questions

Chapter 6 Exercises 1 page 154: Use MySQL Workbench to construct the relational diagram for this database.
Chapter 6 Exercises 2 page 154: Use MySQL Workbench to construct the relational diagram for this database.
Chapter 6 Exercise 5 page 155: Submit responses in Word Doc format.

You may submit a single word doc with SQL queries and your models pasted in – OR – submit separate files including PDFs of your models and a word doc with your queries.

Chapter 6 Exercise 1 page 154: Use MySQL Workbench to construct the relational diagram for this database:

1.  Leslie’s Auto Sales has a relational database with which it maintains data on its salespersons, its customers, and the automobiles it  sells. Each of these three entity types has a unique attribute identifier.
The attributes that it stores are as follows:
• Salesperson Number (unique), Salesperson Name, Salesperson Telephone, Years with Company
• Customer Number (unique), Customer Name, Customer Address, Value of Last Purchase From Us
• Vehicle Identification Number (unique), Manufacturer, Model, Year, Sticker Price Leslie’s also wants to keep track of which salesperson sold
which car to which customer, including the date of the sale and the negotiated price. Construct a relational database for Leslie’s Auto Sales.

Answer:


Chapter 6 Exercise 2 page 154: Use MySQL Workbench to construct the relational diagram for this database.

2.  The State of New York certifies firefighters throughout the state and must keep track of all of them, as well as of the state’s fire departments. Each fire department has a unique department number, a name that also identifies its locale (city, county, etc.), the year it was established, and its main telephone number. Each certified firefighter has a unique firefighter number, a name, year of certification, home
telephone number, and a rank (firefighter, fire lieutenant, fire captain, etc.) The state wants to record the fire department for which each firefighter currently works and each firefighter’s supervisor. Supervisors are always higher-ranking certified firefighters.
Construct a relational database for New York’s fire departments and firefighters.

Answer:


Chapter 6 Exercise 5 page 155: Submit responses in Word Doc format.

5. In the General Hardware Corp. database of Figure 6.1, what would happen if:
a. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is restrict and an attempt is made to delete the record for customer 2198 in the CUSTOMER relation?
b. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is cascade and an attempt is made to delete the record for customer 2198 in the CUSTOMER relation?
c. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is set to null and an attempt is made to delete the record for customer 2198 in the CUSTOMER relation?
d. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is restrict and an attempt is made to delete the record for employee 33779 of customer 2198 in the CUSTOMER EMPLOYEE relation?
e. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is cascade and an attempt is made to delete the record for employee 33779 of customer 2198 in the CUSTOMER EMPLOYEE relation?
f. The delete rule between the CUSTOMER and CUSTOMER EMPLOYEE relations is set-to-null and an attempt is made to delete the record for employee 33779 of customer 2198 in the CUSTOMER EMPLOYEE relation?

Answer:

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