HomeworkLib
Question

Based on following business rules, draw a Crow's Foot Model: course may require none or one...

Based on following business rules, draw a Crow's Foot Model:

  1. course may require none or one other course as its prerequisite
  2. One course can be a prerequisite for only one other course
  3. One course can use as many as 10 resources. The resources can be Web sites, journal articles, images, or audios
  4. One resource will be used by at least one course or many courses
  5. One resource can have multiple creators, but only the first creator is recorded in the CREATOR table
  6. One creator may develop multiple resources
  7. One publisher can publish many resources
  8. One resource is published by one publisher or hasn't been published yet.

Your ERD needs to fulfill following requirements:

  1. Please convert M:N relationship, if any, into two 1:M relationships through a composite entity
  2. Specify all appropriate CONNECTIVITIES and CARDINALITIES (if applicable)
  3. Specify the primary key and foreign key(s) (if applicable) for each entity
  4. Name and list 1-3 major attributes other than the primary key and the foreign key(s) (if applicable) for each entity
  5. If you need to make any assumption, please mention them
engineering   Computer-Science   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
Based on following business rules, draw a Crow's Foot Model: course may require none or one...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • QUESTION 1 1. Use the following business rules to draw the fully labeled Crow's Foot ERD...

    QUESTION 1 1. Use the following business rules to draw the fully labeled Crow's Foot ERD in Visio. The diagram must include all entities, attributes, and relationships. Primary keys and foreign keys must be clearly identified on the diagram. Write all appropriate connectivities and cardinalities on the ERD. a). Each city may have many sport teams. The number of teams is limited to 20 per city. b). Each team belongs to one and only city. c). Each team has at...

  • QUESTION 1 1. Use the following business rules to draw the fully labeled Crow's Foot ERD...

    QUESTION 1 1. Use the following business rules to draw the fully labeled Crow's Foot ERD in Visio. The diagram must include all entities, attributes, and relationships. Primary keys and foreign keys must be clearly identified on the diagram. Write all appropriate connectivities and cardinalities on the ERD. a). Each city may have many sport teams. The number of teams is limited to 20 per city. b). Each team belongs to one and only city. c). Each team has at...

  • Use the following business rules to create a Crow's Foot ERD. Write all appropriate connectivities and cardinalities in the ERD.

    Exercise 1: ERD Use the following business rules to create a Crow's Foot ERD. Write all appropriate connectivities and cardinalities in the ERD. A department employs many employees, but each employee is employed by only one department. Some employees, known as "rovers," are not assigned to any department. A division operates many departments, but each department is operated by only one division. An employee may be assigned many projects, and a project-may have many employees assigned to it. A project must have at least one employee...

  • Show the ERD for the following piece of the problem statements. Show only entities (or dependent...

    Show the ERD for the following piece of the problem statements. Show only entities (or dependent entities), relationships, multiplicities, primary keys and foreign keys. Create an appropriate primary key if necessary. You don’t need to specify other attributes. If a relationship is M:N, then show two diagrams: both the M:N relationship diagram and its decomposition into two 1:N relationships. (a) A book has one or many keywords and one keyword can be used in zero or many books. (b) A...

  • Henry's Bookstore Database Henry's Bookstore is a small company with four locations in the city. Henry...

    Henry's Bookstore Database Henry's Bookstore is a small company with four locations in the city. Henry has struggled with MS Excel mainly because he was trying to use spreadsheet software as a database, when in fact he should have been using a database. Requirements Create all of the entities needed for the Physical ERD Specify the columns/attributes needed in each entity along with the data type and size of each attribute. Specify the Primary Key(s) and Foreign Key(s) for the...

  • Assume two entities ORDER and PRODUCT and the following business rules: An ORDER can contain one...

    Assume two entities ORDER and PRODUCT and the following business rules: An ORDER can contain one or more PRODUCTs. A PROUDCT can be in zero or more ORDERs. How would you convert this model into an ERM that displays only 1:M relationships? Be specific and complete. Draw the resulting ERM. 2. What is the difference between entity integrity and referential integrity? Given an example of each. 3. Suppose you have an EMPLOYEE table which has one row per employee. The...

  • Q1.a) Based on the business rules, you are expected to construct an Entity-Relationship (ER) diagram. The...

    Q1.a) Based on the business rules, you are expected to construct an Entity-Relationship (ER) diagram. The ER diagram should include entities, attributes (if there are less than three specified in the business statements, please add some extra attributes), identifiers and corresponding data types, the relationships among entities with cardinality and associative entities. .b) Extend Q1.a) to apply generalization/specialization technique to construct an Enhanced-ER (EER) diagram. The EER diagram should specify the complete (total) and disjoint (mutuallyexclusive) constraints on the generalization/specialization....

  • 1.2 Recruitment is one of the crucial functions of HRM. Based on the information provided below,...

    1.2 Recruitment is one of the crucial functions of HRM. Based on the information provided below, how would you describe THE COMPANY’s approach to recruitment, before and after the implementation of the Brand Ambassador Program? How did the use of social media lead to the revision of the whole approach regarding recruitment? How ‘THE COMPANY’ Developed a Brand Ambassador Program At ‘THE COMPANY’ we usually categorize Employment Brand at ‘THE COMPANY’ into four big ‘buckets’: candidate experience, brand ambassador programs,...

  • Starbucks after Schultz This activity is important because, as a manager, you must be able to...

    Starbucks after Schultz This activity is important because, as a manager, you must be able to identify your company’s core competency and select an appropriate business-level strategy to optimize its competitive value. The goal of this exercise is to demonstrate your understanding of core competency and business-level strategies by applying these concepts to Starbucks’ recent experience in identifying and regaining its competitive advantage. Read the case below and answer the questions that follow. Case Inspired by Italian coffee bars, Starbucks...

  • First, read the article on "The Delphi Method for Graduate Research." ------ Article is posted below...

    First, read the article on "The Delphi Method for Graduate Research." ------ Article is posted below Include each of the following in your answer (if applicable – explain in a paragraph) Research problem: what do you want to solve using Delphi? Sample: who will participate and why? (answer in 5 -10 sentences) Round one questionnaire: include 5 hypothetical questions you would like to ask Discuss: what are possible outcomes of the findings from your study? Hint: this is the conclusion....

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT