A renowned coffee business chain would like to expand in retail food chain operations in next year. Design an entity relationship diagram level 2 with minimum 4 entities and reasonable attributes
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Computer Science
A renowned coffee business chain would like to expand in retail food chain
operations in next year.
Design an entity relationship diagram level 2 with minimum 4 entities and reasonable attributes
Step by step
Solved in 2 steps with 1 images
- Draw an entity-relationship (E-R) diagram torepresent common business situations.Draw an Entity Relationship Diagram for the proposed system based on therequirements showing the Entities, Attributes and Cardinality between entities. Entities and Attributes Flavor Attributes: FlavorID, Name, Description Inventory Attributes: InventoryID, FlavorID, Quantity, ReorderThreshold Sale Attributes: SaleID, CustomerID, FlavorID, Date, Quantity, TotalAmount Customer Attributes: CustomerID, Name, Email, Phone Feedback Attributes: FeedbackID, CustomerID, Comment, Date, Rating Supplier Attributes: SupplierID, Name, ContactInfo Order Attributes: OrderID, SupplierID, FlavorID, OrderDate, Quantity, DeliveryDate Forecast Attributes: ForecastID, FlavorID, PredictedDemand, Date Relationships and Cardinality Flavor - Inventory One Flavor can have multiple inventory records. (1:N) Flavor - Sale One Flavor can be part of multiple sales. (1:N) Customer - Sale One Customer can have multiple sales. (1:N) Customer - Feedback One Customer can…ERD should have a minimum of 10 entities, and ideally more. Entity-Relationship Diagram The subject could be an organization that you are employed with or an organization you are observing. Contact with representative from the particular organization is encouraged but not required. using LucidChart Develop business rules You should have at least 20 business rules.
- Describe the primary components of an entity-relationship diagram, including entities, attributes, and relationships.What exactly is meant to be accomplished by using an Entity-Relationship Model, and how is this model used?Please describe what an entity-relationship model is as well as how it operates.
- What does the phrase "Enhanced Entity-Relationship" (EER) model mean?Explore the principles of entity-relationship modeling and provide examples of entities and relationships.Draw an Entity Relationship Diagram (ERD) using Unified Modelling Language (UML) notation according to the below business rules. Your design should be at the logical level – include primary and foreign key fields and remember to remove any many-to-many relationships. Business rules for hairdressers: 1. All entities should have surrogate primary keys. 2. Each hairdresser can work at multiple different salons over time, and every salon employs many different hairdressers. 3. The job title of a hairdresser at a specific salon must be stored in the database. 4. The name and surname of each hairdresser must be stored in the database. 5. The name of each salon must be stored in the database. 6. Every hairdresser is certified to have several different skills, and each skill can be mastered by many different hairdressers. 7. The name of each skill must be stored in the database. 8. The date that a specific hairdresser was certified to have a specific skill must be stored in the database.
- Draw an Entity relationship diagram (ER) for a university according to the following rules: +-- For each student the university needs to keep track of: first name, last name, student id, address, phone no and their major. - The student id is identical for each student. -- Each course has a number, name and credit. The course number is unique for each course. + -- Each department has a name, code and location. The code is unique for each department. - Each course may has one or more sections where each section is belong to only one course. -- A department offers one or many courses. 7- Some courses have perquisite courses. 8- Each student could register in one or more courses. In your diagram you need to show the following: 1- The primary key for each entity. 2- The cardinality and participation between entities.Draw an ER-Diagram for this situation and place minimum and maximum cardinalities on the diagram? Entity type: • EMPLOYEE with attribute: EmpID , Name (Firstname :besan, Lname) , Address :Amman, Birth_of_Date25/5/02 . • DEPARTMENT with attribute : DeptID , DeptName , Loc Relationship: Works_in Relationship between EMPLOYEE and DEPARTMENT and each employee is works in zero or many department and each department worked by one or many employee.can you make an eerd(enhanced entity relationship diagram) that consist you aggregation, composition, and association ? the erd about online shop