HomeworkLib
Question

Give an example of a composite entity (along with the related entities) and list name and...

Give an example of a composite entity (along with the related entities) and list name and primary key for each entity (Do not have to draw diagram).

engineering   Computer-Science   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Hope you will like my answer..!

0 0
Add a comment
Know the answer?
Add Answer to:
Give an example of a composite entity (along with the related entities) and list name and...
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

  • This is symbolized by a circle over a single line in an entity relationship diagram. It...

    This is symbolized by a circle over a single line in an entity relationship diagram. It signifies that the supertype does NOT have to be one of the specified subtypes. Partial completeness Total completeness System completeness Associative completeness A supertype entity can contain as many as ____ subtype entities. 10 1 100 no defined limit When you set up an Entity Relationship Diagram, and have a many-to-many relationship, this entity is created to avoid problems inherent to a many-to-many relationship....

  • Given the following entities: Student, Class, Instructor,and student grade. List the business rules for each entity....

    Given the following entities: Student, Class, Instructor,and student grade. List the business rules for each entity. include relationship type (example: 1:1, 1:M, M:N)  for each entity. Include Cardinality: example: the cardinality of X is (1, 1) the cardinality of Y is (0, N)

  • 1. Do a listing that represents the entities and attributes in the Book List. Select or...

    1. Do a listing that represents the entities and attributes in the Book List. Select or create an appropriate primary key column for each entity. Make sure your data is atomic. List at least three entities: Book, Author, and Publisher. *PLEASE NOTE: I want a listing of the attributes that you think should be there (e.g. columns split up for atomicity, surrogate keys, etc.) *PLEASE NOTE AS WELL: You have to store all of the information from the original list...

  • 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...

  • Please answer true or false 27) Relationship instances occur when an instance of one entity is...

    Please answer true or false 27) Relationship instances occur when an instance of one entity is related to an instance of another entity via a relationship. 28) Two columns of a relational table can have the same values. 29) If one of two identical relational tables has the first row moved to the last place, those two relational tables are no longer identical. 30) An entity and its 1:1 unary relationship are mapped as one relation. 31) An entity and...

  • How to model this scenario in conceptual ER diagram?Bridge entity needed? I have a house-share entity(...

    How to model this scenario in conceptual ER diagram?Bridge entity needed? I have a house-share entity( primary key : house-share id) and housekeeper entity (primary key: housekeeper id). At any point in time a housekeeper can only work in one house-share. When a housekeeper finishes an allocation with a particular house-share the allocation is recorded(start date and end date). A house-keeper may return to a house-share they previously worked in; if they do so, a new allocation is recorded. I...

  • Assignment 7 Activities: Using the order form below identify entities to be used in a relational...

    Assignment 7 Activities: Using the order form below identify entities to be used in a relational database. Normalize to first, second, and third normal form. Clearly identify within each form with the tables in each form and specify any assumptions made. Utilize the following format for each table: TableName(attribute,etc)          Indicate Primary Key by underlining the attribute name. List Foreign Keys as such FK=attribute, below the table listing. Example: Sales Rep (EmployeeID, MTD Sales, YTD Sales, MTD Commission, YTD Commission,...

  • 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...

  • Develop an entity relationship diagram relating the following entities: CUSTOMERDATA. ORDER, ORDERITEM, INVENTORY, REFUNDDATA, SHIPMENTINFO Add...

    Develop an entity relationship diagram relating the following entities: CUSTOMERDATA. ORDER, ORDERITEM, INVENTORY, REFUNDDATA, SHIPMENTINFO Add a primary key and one attribute to each entity. Use Crow’s Feet notation. Each customer in CUSTOMERDATA entity places zero to many orders in ORDER entity. Each order in ORDER entity belongs to exactly one customer. Each order in ORDER entity must consist of at least one item and can contain many orderitems. Each order item is in exactly one order in ORDER entity....

  • Suppose your job keeps track of each employee's degree status and university,draw an ER diagram that...

    Suppose your job keeps track of each employee's degree status and university,draw an ER diagram that has the following 3 entities,Employee, Degree and University;also list at least 2 attributes in each and indicate what is the primary key within each entity.

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