Essay BIAM 530 Week 2 Database Design DeVry
BIAM 530 Week 2 Database Design DeVry
BIAM 530 Week 2 Discussions
DQ 1 DATABASE DESIGN FOR A GOLF DISTRIBUTOR & UNDERSTANDING AN ENTITY RELATIONSHIP DIAGRAM (ERD)
You have been asked to create the logical data model for the Golden Eagle Wholesale Golf Distributors. Golden Eagle distributes golf equipment for various manufacturers to the pro shops at golf courses throughout the state. They store the equipment in a centrally located warehouse and ship to the pro shops based on the purchase orders submitted by their sales staff or ones that are phoned in directly by their customers. Each sales rep is assigned to golf courses within a specific area of the state. What entities, attributes, and relationships would you include in the data model for this organization?
You have created an entity relationship diagram (ERD) for an organization’s database, and you are preparing to review it with the company’s managers to make sure it is complete and correct. The managers do not have technical backgrounds and are unfamiliar with database design. How would you explain the concept of an ERD to these managers to orient them for your review?DQ 2 WORKOUT ROOM
Please share your expertise on this Week’s Lab Assignment. Give examples or discuss topics you might consider using and help a classmate. Please post two (2) times throughout the week. (On two different days.)
BIAM 530 Week 2 Lab Relationships and Normalization
Lab Overview
In this Lab, you will create an entity relationship diagram (ERD) for a portion of a database that a veterinary clinic might use to keep track of clients, veterinarians, patients, appointments, and procedures.
The major entities involved in this database design are listed below.
Clients (humans)
Patients (animals)
Veterinarians
Appointments
Procedures (veterinary procedures, such as tests or treatments performed during appointments)Below are the business rules that apply to these entities.
Each Client owns zero or many Patients; each Patient is owned by exactly one Client.
Each Patient can have zero or many Appointments; each Appointment is for exactly one Patient.
Each Appointment is with exactly one Veterinarian; each Veterinarian can have zero or many Appointments.
Each Procedure can be performed during zero or many Appointments; each Appointment can include the performance of zero or many Procedures.Deliverables
After completing the steps below, submit it as a single Microsoft Visio file named LabWeek2xxx.vsd (where xxx = your initials). This file will contain two diagram pages:
Conceptual: A conceptual data model diagram of this database
Logical: A logical data model diagram of this databaseYour deliverable will be evaluated according to the rubric below.
Step Criteria Points %
2 Conceptual data model includes all entities with correct entity names and all required relationships. Correct cardinalities are indicated using crow’s foot notation. 10 20%
4 Logical data model includes the same entities and relationships shown on the conceptual data model. A many-to-many relationship is resolved using an appropriate associative entity. 20 40%
5 Logical data model includes reasonable attributes for each entity with appropriate data types, correctly designates all primary and foreign keys, and uses a visually organized and readable layout. 20 40%
Total 50 100%
Required Software
Microsoft Visio
Access the software at https://lab.devry.edu (Links to an external site.)Links to an external site..
Tutorial
The following tutorial will demonstrate, in general, how to use Microsoft Visio 2016 to create an entity relationship diagram (ERD). IMPORTANT: The ERD created in the video is NOT the ERD you will create in this lab. Please watch the video to gain an understanding of how to work in Visio, but follow the written steps below to create the correct deliverable for this Lab activity, based on the Scenario/Summary given at the beginning of this page.
Lab Steps
STEP 1: Launch Visio and Create a Diagram
Launch Microsoft Visio.
Create a new Crow’s Foot Database Notation diagram.
Save the diagram using the file name LabWeek2xxx.vsd (where xxx = your initials).STEP 2: Create a Conceptual Data Model Diagram
Rename the first page of the diagram to Conceptual-ERD.
Use the Rectangle drawing tool to create and label a rectangle for each entity identified in the Scenario/Summary.
Add relationship lines connecting the entities as described in the business rules provided in the Scenario/Summary. Label each relationship line with a verb phrase describing the relationship.
Set the cardinality symbols on the ends of each relationship line to correctly denote the cardinality of each relationship, as given in the business rules.
Save your changes to the file.STEP 3: Create a Logical Data Model Diagram
Insert a new page into the diagram and name it Logical-ERD.
Add Entity shapes to the page for each entity shown in the conceptual data model. Label each Entity shape with the corresponding entity name.
As you did for the conceptual data model, add relationship lines connecting the entities as described in the business rules provided in the Scenario/Summary. Label each relationship line using the same verb phrases as you used in the conceptual data model.
Set the cardinality symbols on the ends of each relationship line as you did in the conceptual data model.
Save your changes to the file.STEP 4: Resolve the Many-to-Many Relationship
Remove the relationship line indicating a many-to-many relationship from the logical data model.
Add an Entity shape for an associative entity to resolve the many-to-many relationship. Label the associative entity with a meaningful descriptive name.
Add relationship lines connecting the associative entity to each of the entities involved in the original many-to-many relationship. Label each relationship line with a descriptive verb phrase.
Set the cardinality symbols on the ends of each relationship line appropriately.
Save your changes to the file.STEP 5: Add Attributes, Data Types, Keys, and Normalization
Add appropriate attributes for each entity on the logical data model. To add data types, right-click the entity shape while pointing to the entity outline. Select the “Show Attributes” option. Give each attribute a meaningful name. Follow a consistent naming convention for all attributes. You should have a minimum of three attributes for each entity (except possibly the associative entity).
Designate an appropriate primary key for each entity.
Designate appropriate foreign keys to implement all the relationships.
Review your completed diagram and ensure it is in at least third normal form (3NF).
Save your changes to the file.STEP 6: Discussion of the Process
Write professional report to present your recommended database design and explain to your CEO why you are recommending this design.
Step 7: Submit Work
Submit your work to Canvas. There should be one MS Word file with Step 6 Report and Screen Prints, OR One MS Word Document with Discussion and one MS Visio file with drawings.
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