Question

Develop a data model using below relational databa

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Department playee ttMany to 4 EMPLOYEE Won upewises Sahry DeptName FK2 S or. .D Budget Location 에Fk1 |Manager-20 lanages PK,F

Add a comment
Know the answer?
Add Answer to:
Develop a data model using below relational database system. You must state all the possible cardinalities...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

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
  • Please help me answer these: In the relational database model, an entity consists of one and...

    Please help me answer these: In the relational database model, an entity consists of one and only one entity instance (or record). A. True B. False 2. In the relational database model, the foreign key name does NOT have to be the same as the primary key name. A. True B. False 3. Logical relationships between tables (or entities) in the relational database model are created with primary and candidate keys. A. True B. False 4. In the relational database...

  • Project: Relational Modeling Note: This project must be unique in its design (E-R diagram) and implementation...

    Project: Relational Modeling Note: This project must be unique in its design (E-R diagram) and implementation (SQL queries). You are not to copy or use any part of a database project that was previously submitted or appears on the Web, in a textbook, or otherwise made available via an external source. Contact your instructor if you have any questions regarding this requirement. Deliverables for Part 1: (1) Project Description. Provide an overview of your project identifying the major components as...

  • Higher education wants to develop a transport information system. You as a database designer is asked...

    Higher education wants to develop a transport information system. You as a database designer is asked to develop a data model for the following scenario. Transport system provides facilities to students and staff commuting from their destinations across U.A.E regions using buses, cars minibusses depending on the number of passengers to a destination (places are- Karama, Rolla, or Rashidiya for example) . All the services run during the university hours with dropping university at 8 Am 12 noon, 7 PM,...

  • For this DATABASE homework assignment you will create an Entity Relationship model for a business case...

    For this DATABASE homework assignment you will create an Entity Relationship model for a business case and then convert the model to a set of relations.  Read through the following business case for the “Drum Corps International”  Create an Entity relationship model with the necessary entities, attributes, identifiers and relationships to capture the data requirements.  All relationships should be labeled with verb phrases.  Use UML notation for this work.  Relationship lines should not cross. ...

  • 3. (12 points) For each of the descriptions below, develop an ER diagram using draw.io. Create...

    3. (12 points) For each of the descriptions below, develop an ER diagram using draw.io. Create a new page in your draw.io file for each diagram and name them appropriately (e.g., “3a” and “3b”). Include entities, attributes (identifier, simple, composite, derived), relationships (cardinality, modality). a. A car company has a database where each car has an identifying serial number and a manufacturing completion date. Each car is an example of a certain model. All models have an identification number, name...

  • Describe each questions: Explain why the object-oriented database model was developed. How does ...

    Describe each questions: Explain why the object-oriented database model was developed. How does the OID in the OO model differ from the primary key in the relational model? Is it possible for a superkey not to be a candidate key? Why or why not? Briefly describe the four types of binary relationships possible between an entity set A and an entity set B based on relationship cardinality. Sales Database: Customer(custId, lastName, firstName, address, phone, creditLimit) Order(orderNumber, date, total, custID) LineItem(orderNumber,...

  • QUESTION 1 What is the most common relationship within a relational database? Select the best answer...

    QUESTION 1 What is the most common relationship within a relational database? Select the best answer from the following. One-To-One relationship. o One-To-Many relationship. Many-To-Many relationship. Zero-To-Zero relationship. QUESTION 2 What is an "entity'? Select the best answer from the following. An entity, for our purposes, is the same as a table in the database. An entity represents one of the columns in an individual table. There are no entities in a relational database. Entities are only part of NoSQL...

  • You are asked to design a data model for The Wagging Tail, an online store that...

    You are asked to design a data model for The Wagging Tail, an online store that sells products for dogs, e.g. dog collars, dog food, dog toys, dog treats, etc. You want to keep track of three entities: (1) the products that the store sells, (2) customers who purchase the products, and (3) the orders that are made on the website. Draw an ERD diagram and use the following information to help guide your drawing: The database should keep track...

  • The Hudson Engineering Group (HEG) has contacted you to create a conceptual model whose application will...

    The Hudson Engineering Group (HEG) has contacted you to create a conceptual model whose application will meet the expected database requirements for the company’s training program. The HEG administrator gives you the description (see below) of the training group’s operating environment. (Hint: Some of the following sentences identify the volume of data rather than cardinalities. Can you tell me which ones?) The HEG has 12 instructors and can handle up to 30 trainees per class. HEG offers five Advanced Technology...

  • Accounting Info Systems A. True B. False 10. Tables in a relational database are documented by a data flow diagram. A. True B. False 11. In database design, the recommended step after ER Diagram...

    Accounting Info Systems A. True B. False 10. Tables in a relational database are documented by a data flow diagram. A. True B. False 11. In database design, the recommended step after ER Diagram is A. Relational schema B. Database implementation C. Either of the above D. None of the above The next 2 questions refer to binary relationships. 12. One to many ER have diagram will havetables in the relational schema. A. One B. Two C. Three D. More...

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
ADVERTISEMENT