Modern Database Management (12th Edition)
12th Edition
ISBN: 9780133544619
Author: Jeffrey A. Hoffer, Ramesh Venkataraman, Heikki Topi
Publisher: PEARSON
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Chapter 3, Problem 3.36PAE
Program Plan Intro
Draw an ERR model for the given scenario with addition of supertypes and subtypes.
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When using subtype associations, talk about the database table choices that are accessible.Decide the design you want to employ and talk about the relevant issues.
Based on BITS database user views as designed in Your Turn 6-1 in this chapter. In each exercise, represent your answer in DBDL and with an Entity Relationship Diagram.
2. Indicate the changes you need to make to the design of the BITS database to support the following situation. There is no relationship between clients and consultants. When a client places an order (service request), it may be performed by any consultant. On the order, identify both the client placing the order and the consultant responsible for the order.
please answer within 30 minutes.
Chapter 3 Solutions
Modern Database Management (12th Edition)
Ch. 3 - Define each of the following terms: supertype...Ch. 3 - Prob. 3.2RQCh. 3 - Contrast the following terms: supertype; subtype...Ch. 3 - State two conditions that indicate when a database...Ch. 3 - Prob. 3.5RQCh. 3 - Give an example (other than those discussed in the...Ch. 3 - What is the attribute inheritance? Why is it...Ch. 3 - Give an example of each of the following: a...Ch. 3 - What types of business rules are normally captured...Ch. 3 - What is the purpose of a subtype discriminator?
Ch. 3 - Prob. 3.11RQCh. 3 - In what ways is starting a data modeling project...Ch. 3 - Prob. 3.13RQCh. 3 - Prob. 3.14RQCh. 3 - What do you purchase when you acquire a packaged...Ch. 3 - Prob. 3.16RQCh. 3 - When is a member of a supertype always a member of...Ch. 3 - Examine the hierarchy for the university EER...Ch. 3 - Add a subtype discriminator for each of the...Ch. 3 - For simplicity, subtype discriminators were left...Ch. 3 - Refer to the employee EER diagram in Figure 3-2....Ch. 3 - Refer to the EER diagram for patients in Figure...Ch. 3 - Figure 3-13 shows the development Of entity...Ch. 3 - Refer to Problem and Exercise 2-44 in Chapter 2...Ch. 3 - For a library, the entity type HOLDING has four...Ch. 3 - A bank has three types of accounts: checking,...Ch. 3 - Refer to your answer to Problem and Exercise 2-4...Ch. 3 - Refer to your answer to Problem and Exercise 3-24...Ch. 3 - Prob. 3.29PAECh. 3 - Prob. 3.30PAECh. 3 - Develop an EER model for the following situation,...Ch. 3 - Draw an EER diagram for the following description...Ch. 3 - Prob. 3.33PAECh. 3 - Prob. 3.34PAECh. 3 - Based on the EER diagram constructed for Problem...Ch. 3 - Prob. 3.36PAECh. 3 - Prob. 3.37PAECh. 3 - Add the following to Figure 3-16: An EMPLOYMENT...
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- The following exercises are based on the BITS database user views as designed in Your Turn 6-1 in this chapter. In each exercise, represent your answer in DBDL and with an Entity Relationship Diagram. 3. Indicate the changes you need to make to the BITS database design to support the following situation. The region where clients are located is divided into territories. For each territory, store the territory number ( a unique identifier ) and territory name. Each consultant is assigned to a signle territory. Each client also is assigned to a single territory, but the territory must be the same as the territory to which the client's consultant is assigned.arrow_forwardThe following exercises are based on the BITS database user views as designed in Your Turn 6-1 in this chapter. In each exercise, represent your answer in DBDL and with an Entity Relationship Diagram. 4. Indicate the changes you need to make to the BITS database design to support the following situation. The region where clients are located is divided into territories. For each territory, store the territory number (a unique identifier) and territory name. Each consultant is assigned to a single territory. Each client also is assigned to a single territory, which may not be the same as the territory to which the client's consultant is assigned.arrow_forwardWhen utilizing subtype associations, it is important to discuss the database table options that are available.Decide on the design you want to use and discuss the challenges that arise as a result of it.arrow_forward
- When creating subtype associations, it is important to consider the database table possibilities accessible to you.Discuss the factors that you would consider when deciding one design to employ over the others.arrow_forwardCreate an Entity-Relationship Model for the Queen Anne Curiosity Shop The first assignment for the class project is to create an entity-relationship model of the Queen Anne Curiosity Shop database. This assignment requires you to apply the knowledge gained from study of chapter 4 of the textbook. You will create the entity-relationship model using the ERDPlus database modeling tool. The Queen Anne Curiosity Shop database contains the following tables: CUSTOMER (CustomerID, LastName, FirstName, Address, City, State, ZIP, Phone, EmailAddress) EMPLOYEE (EmployeeID, LastName, FirstName, Phone, EmailAddress) VENDOR (VendorID, CompanyName, ContactLastName, ContactFirstName, Address, City, State, ZIP, Phone, Fax, EmailAddress) ITEM (ItemID, ItemDescription, PurchaseDate, ItemCost, ItemPrice, VendorID) SALE (SaleID, CustomerID, EmployeeID, SaleDate, SubTotal, Tax, Total) SALE_ITEM (SaleID, SaleItemID, ItemID, ItemPrice) Note that the above table descriptions follow the textbook convention:…arrow_forwardPlease draw an Entity-Relationship diagram for the given below MOVIE database. The data requirements are summarized as follows: Each movie is identified by title and year of release. Each movie has a length in minutes. Each has a production company, and each is classified under one or more genres (such as horror, action, drama, and so forth). Each movie has one or more directors and one or more actors appear in it. Each movie also has a plot outline. Finally, each movie has zero or more quotable quotes, each of which is spoken by a particular actor appearing in the movie. Actors are identified by name and date of birth and appear in one or more movies. Each actor has a role in the movie. Directors are also identified by name and date of birth and direct one or more movies. It is possible for a director to act in a movie (including one that he or she may also direct). Production companies are identified by name and each has an address. A production company produces one or more movies.arrow_forward
- Indicate the changes (using the shorthand representation) that you would need to make to the original KimTay Pet Supplies database design to support the following requirements. There is no relationship between customers and sales reps. When a customer places an order, any sales rep can process the order and create the invoice. On the invoice, you need to identify both the customer placing the order and the sales rep responsible for the invoice. Draw an E-R diagram for the new design.arrow_forwardIndicate the changes (using the shorthand representation) that you would need to make to the original KimTay Pet Supplies database design to support the following requirements. There is no relationship between customers and sales reps. When a customer places an order, any sales rep can process the order and create the invoice. On the invoice, you need to identify both the customer placing the order and the sales rep responsible for the invoice. Draw an E-R diagram for the new design.arrow_forwardMake an Entity relationship diagram and use the Erdplus and apply these requirments Using the Erdplus(use it to make this diagram, the answer should be as a Diagram) Q) Create an entity-relationship diagram (ERD) using min-max notation based on the following datarequirements of the University database:1. The university is organized into colleges, and each college has a unique number, unique name, and a particularfaculty member who is the dean of the college. Each college administers a number of academic departments.2. Each department has a unique name, a unique code number, and a particular faculty member who chairs thedepartment. We need to keep track of the start date when that faculty member began chairing the department.In addition, each department may have several faculties and must be administered by one college.3. A department offers several courses, each of which has a unique course name, a unique code number, a courselevel (Level: this can be coded as 1 for freshman level, 2…arrow_forward
- When developing subtype associations, talk about the database table options.Discuss the factors that would influence your decision to choose one design over the others.arrow_forwardSubject: Database Topic: EERD Please use UML Modelling Notation. (Don't use Chen’s Notation or Crow’s Feet Notation) -Based on the information given below, draw the conceptual EERD where you should include the enhanced features. A car dealership wishes to maintain data about the customers who purchase a car. Each customer may purchase one or more vehicles and each vehicle can be purchased by many different customers over time (for example, a customer maypurchase a new vehicle, trade that vehicle in and someone else can purchase the vehicle traded in.) Data that the dealership wishes to keep regarding customers includes customer identification number, name, address, homephone, work phone, cell phone and e-mail address. Information about vehicle includes vehicle identification number, make, model, year, transmission type, engine size and color. Vehicles can be a member of one of the following categories: cars, trucks, minivans or SUVS. A vehicle can be amember of only one category at a…arrow_forwardDon't copy again and again that is wrong. Please help me with this question.arrow_forward
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