EBK SOFTWARE ENGINEERING
10th Edition
ISBN: 9780133943238
Author: SOMMERVILLE
Publisher: PEARSON CO
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Textbook Question
Chapter 24, Problem 24.8E
Explain why it is difficult to validate the relationships between internal product attributes, such as cyclomatic complexity, and external attributes, such as maintainability.
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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…
Analyze the given entity relationship diagram and answer the following questions.
What is the degree of “has” relationship?
Identify primary key(s)
Identify the category of each attribute
Name the cardinalities
Given the conceptual model below
a) Write all business rules depicted by the model.
b) Identify all of the cardinalities.
c)What should be the composite Primary Key for the MAINT_LINE entity?
Chapter 24 Solutions
EBK SOFTWARE ENGINEERING
Ch. 24 - Explain why a high-quality software process should...Ch. 24 - Explain how standards may be used to capture...Ch. 24 - Discuss the assessment of software quality...Ch. 24 - Prob. 24.4ECh. 24 - Prob. 24.5ECh. 24 - Prob. 24.6ECh. 24 - Prob. 24.7ECh. 24 - Explain why it is difficult to validate the...Ch. 24 - Prob. 24.9ECh. 24 - A colleague who is a very good programmer produces...
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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
- draw an E-R diagram that indicates the entity sets and their attributes. Identify and label significant relationship sets between pairs of entities, the degree of relationship sets and the cardinality and participation constraints.arrow_forwardIn light of your suggested architecture, all of the quality attribute-specific requirements are justified.arrow_forwardDraw a complete ER Diagram. Show all entities, attributes, primary keys, foreign keys, relationships and connectivities involved in the diagram. (Using LucidChart)arrow_forward
- If you are reading a flat file, with minimal information regarding business rules and constraints. How can one determine the appropiate relationships between entities? This question refers to entity relationship modeling. Logical ERDs.arrow_forwardBased on the provided information below, what is the ERD Diagram to this fictional senerio that includes its primary key and attributes?arrow_forwardDraw 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. Tip: Pay attention to the mark allocation shown below. Sheep farm feed supplier business rules: • All entities must have surrogate primary keys. • A contact person represents one or more suppliers, and each supplier has exactly one contact person. • A supplier supplies many feed products, and every feed product can be supplied by many suppliers. • Each feed product belongs to a specific feed type, and many feed products can have the same feed type.arrow_forward
- Delve into the concept of traceability in requirement analysis. How can traceability matrices and tools help ensure that every requirement is met in the final product? What are the potential risks of not maintaining traceability?arrow_forwardUsing the use case diagram draw a Rich Picture and Entity Relationship Diagram.arrow_forwardProvide an analysis of the pros and cons of each model and specify the additional or omitted steps that you think might improve its performance.arrow_forward
- A relationship between entity supertype and entity subtype is known as _______. Partial participation relationship IS-A relationship M : N relationship Total participation relationshiparrow_forwardAnalyze the given entity relationship diagram and answer the following questions. What is the degree of “has” relationship?arrow_forwardWhat is the difference between a data entity (data model) and an external entity (process model)?arrow_forward
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Enhanced Entity Relationship Model; Author: Data Science Center;https://www.youtube.com/watch?v=ocQUtXPumdQ;License: Standard YouTube License, CC-BY