Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 2, Problem 4P
Program Plan Intro
The following diagram shows the “DealCo relational diagram” that describes the initial entities and attributes for the “DealCo stores”, which is located in two regions of the country.
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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.
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 entity
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
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. 21RQCh. 2 - Prob. 22RQCh. 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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- Answer 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_forwardWhat are the 6 BUSINESS RULES IN ENTITY RELATIONSHIP DIAGRAM? and give 5 example each business rules.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_forward
- you will need to create an entity relation (E-R) diagram using the Crow's foot symbols that models the problem. This will include: Summarise the ERM's components, and names the entities and their relationship (As given in Table) Table 4.4 Components of the ERM Entity Relationship Connectivity Entity SCHOOL operates 1:M DEPARTMENT DEPARTMENT has 1:M STUDENT DEPARTMENT employs 1:M PROFESSOR DEPARTMENT offers 1:M COURSE COURSE generates 1:M CLASS SEMESTER includes 1:M CLASS PROFESSOR is dean of 1:1 SCHOOL PROFESSOR chairs 1:1 DEPARTMENT PROFESSOR teaches 1:M CLASS PROFESSOR advises 1:M STUDENT STUDENT enrolls in M:N CLASS BUILDING contains 1:M ROOM ROOM is used for 1:M CLASS Note: ENROLL is the composite entity that implements the M:N relationship “STUDENT enrolls in CLASS.” all entities, relationships (including names), and…arrow_forwardby using crown's foot notation, draw an Entity-Relation Diagram for the entities CUSTOMER, PRODUCT AND WAREHOUSE?arrow_forwardUsing 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).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_forwardIdentify two business rules from the below Entity Relationship Diagram (ERDarrow_forwardGiven these business rules, create the Entity Relationship Diagram, include relationships and cardinalities. A bookstore is modeling its data. On one part, we have the READERS. Readers have a registration ID, name composed by first name and last name, mailing address and list of topics of interest (cooking, fiction, etc). The books available for readers will be stored with title, year of publication, isbn code and a list of topics that the book is tagged for. Authors are also to be stored with an authorID, name composed by first name, middle name and last name, mailing address and date of birth. One book can have multiple authors, but must have at least one. One author can write multiple books, one book or even be registered as an author without authoring any books. A customer can own multiple books and only starts being a costumer after buying her/his first book. I need help understanding how this works and how I put it togetherarrow_forward
- JUST 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_forwardBased on the set of 3NF relations derived in (b), draw a complete entity relationship diagram (ERD) using Chen notation. Make sure that all the entities, attributes, relationships and connectivities are included in your ERDarrow_forwardOn each business rule stated below, list the 2 entities, 3 possible attributes for each entity, the relationship between the two entities and type of relationship the entities has. Customers can purchase many products. Entity 1:_________________ Entity 2:_________________ 3 Attributes for entity 1: ______________________ ______________________ ______________________ 3 Attributes for entity 2: ______________________ ______________________ ______________________ Relationship between the 2 Entities: _________________ Type of Relationship: ___________________ A warehouse stores a particular type of product. Entity 1:_________________ Entity 2:_________________ 3 Attributes for entity 1: ______________________ ______________________ ______________________ 3 Attributes for entity 2: ______________________ ______________________ ______________________ Relationship between the 2 Entities: _________________ Type of Relationship: ___________________ A department can have…arrow_forward
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