Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 2, Problem 6P
Using Figure P2.6 as your guide, work Problems 6–8. The Tiny College relational diagram shows the initial entities and attributes for the college.
FIGURE P2.6 THE TINY COLLEGE RELATIONAL DIAGRAM
Identify each relationship type and write all of the business rules.
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Using Figure P2.4 as your guide, work Problems 4–5. The DealCo relational diagram shows the initial entities and attributes for the DealCo stores, which are located in two regions of the country
Identify each relationship type and write all of the business rules.
Answer these questions please.
1-Draw the Relational Schema for the relationship(s) between STORE and REGION.
2-Draw the Relational Schema for the relationship(s) between EMPLOYEE and STORE
3-Draw the Full Entity Relationship diagram showing the relationships among EMPLOYEE, STORE, and REGION
Using any application of your choice, create an interactive presentation explaining the differences between various types of relationships between tables in an enterprise relationship diagram (ERD).
Chapter 2 Solutions
Database Systems: Design, Implementation, & Management
Ch. 2 - Prob. 1RQCh. 2 - What is a business rule, and what is its purpose...Ch. 2 - How do you translate business rules into data...Ch. 2 - Prob. 4RQCh. 2 - Explain how the entity relationship (ER) model...Ch. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQ
Ch. 2 - What is a relationship, and what three types of...Ch. 2 - Give an example of each of the three types of...Ch. 2 - What is a table, and what role does it play in the...Ch. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - Prob. 19RQCh. 2 - Prob. 20RQCh. 2 - Prob. 21RQCh. 2 - Prob. 22RQCh. 2 - Prob. 23RQCh. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Using Figure P2.6 as your guide, work Problems 68....Ch. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Typically, a hospital patient receives medications...Ch. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- You are required to draw a complete Crow's Foot ERD that includes the following entity relationship components based on the below:Identify all the entities and its attributesIdentify all possible relationshipsIdentify the connectivity for each relationshipIdentify the primary key and foreign key for each entityarrow_forwardAnswer these 4 questions (1) Draw the Relational Schema for the relationship(s) between STORE and REGION.(2) Describe the type(s) of relationship(s) between EMPLOYEE and STORE. (Hint: Each store employs many employees, one of whom manages the store.)(3) Draw the Relational Schema for the relationship(s) between EMPLOYEE and STORE.(4) Draw the Full Entity Relationship diagram showing the relationships among EMPLOYEE, STORE, and REGION.arrow_forwardUsing the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey attributes needed for each entity.arrow_forward
- Match the shape description with the ER Diagram description Diamonds underlined attributes an arrow head pointing to the left double line A. Relationship sets B. primary keys C. one-to-many relationship D. total participation (every entity in the set participates in at least one relationship in the relationship set)arrow_forwardcan you help me with this relationship entity the entity are : warehouse, staff, incominggoods, outcominggoods and product make them in table like in the picture please thank youarrow_forwardQ.Modify the ER diagram given below and add these make corrections if anything is wrong Weak entity Identifying relationship Weak relationship Key attribute Composite attribute Multivalued attribute Derived attribute Relationships: 1. One to One 2. One to Many 3. Many to One 4. Many to Many Skip thoose that are already present U can draw the diagram on paper tooarrow_forward
- The below Entity Relationship Diagram (ERD) is in second normal form. Draw anew ERD in third normal form and explain the changes. diagram belowarrow_forwardJUST DRAW ME THE Entity-Relationship Diagram (ERD) Before 7:20 PM pleaseHere is all the entities, attributes and their relationshipsEntities: Customer Item Purchase Payment Coffee Card Attributes for Each Entity: Customer: CustomerID (Primary Key) FirstName LastName Email Phone Address Item: ItemID (Primary Key) ItemType (e.g., Beverage, Bakery, Coffee Card) ItemName Description Price Purchase: PurchaseID (Primary Key) CustomerID (Foreign Key) PurchaseDate TotalAmount Payment: PaymentID (Primary Key) PurchaseID (Foreign Key) PaymentMethod (e.g., Cash, Credit Card) PaymentAmount Coffee Card: CardID (Primary Key) CustomerID (Foreign Key) Balance Relationships: Customer-Item (Many-to-Many): A customer can purchase multiple items. An item can be purchased by multiple customers. Customer-Purchase (One-to-Many): A customer can have multiple purchases. Each purchase is associated with one customer. Purchase-Item (Many-to-Many): Each purchase can include multiple items. An…arrow_forward
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