Question: What is data modeling? Why is it important? What is the Entity-Relationship model? What is a relationship? What is the difference between a unary relationship,

  1. What is data modeling? Why is it important?
  2. What is the Entity-Relationship model?
  3. What is a relationship?
  4. What is the difference between a unary relationship, a binary relationship, and a ternary relationship?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

On QUESTIONS 1. What is data modeling? Why is it important? 2. What is the Entity-Relationship model? 3. What is a relationship? 4. What are the differences among a unary relationship, a binary...

Q:

1. Answer the following two questions. a. Identify and describe two types of facility you would expect to be provided in a multi-user DBMS. Identify two types of facility that not be needed in a...

Q:

2. Match the following terms and definitions, -composite attribute a uniquely identifies entity instances associative entity b. relates instances of a single entity type _unary relationship c....

Q:

Discuss the importance of data models. What is a business rule, and what is its purpose in data modeling? How do you translate business rules into data model components? Describe the basic features...

Q:

Discuss the importance of data models. What is a business rule, and what is its purpose in data modeling? How do you translate business rules into data model components? Describe the basic features...

Q:

the following relational algebra questions based on tables S1 and S2 (below) Question 1 What is the output of S1 S2 ? The row identified by sid 22 The rows identified by sid 31 and 58 The row...

Q:

Please answer the question in sequential order. QUESTION 1 The __________ rule of GUI design states users like to explore an interface and often learn effectively by trial and error. Therefore, user...

Q:

Submitted to Management Science manuscript MS-0001-1922.65 Authors are encouraged to submit new papers to INFORMS journals by means of a style file template, which includes the journal title....

Q:

CSM is a business that rents spaces and have different locations throughout Edmonton. CSM has different size spaces which can be used for different purposes. To manage booking of the different...

Q:

SEE problem 4.25 which is attached in pdf format. I need detailed and correct answer 148 PART TWO / Databases Purchasing agent Order goods Merchandise inventory Vendor Receive goods Receiving clerk...

Q:

Refer to the financial statements of The Home Depot in Appendix A and Lowes in Appendix B at the end of this book, or download the annual reports from the Cases section in the Connect library. 1....

Q:

You have the following balances After completing the accounting operations in the records of Ahmed Trading Company for the end of the fiscal year 31/12/20117 cash 4000 Accounts Payable .10,000...

Q:

Find the periodic payment for the following annuity due Future value $ 1 0 7 0 0 Present value - Payment period 1 year Term 8 years Interest rate 7 % Conversion period monthly The periodic payment is...

Q:

We want to show that this automaton accepts exactly those strings with an odd number of 1's, or more formally: (A,w) = B if and only if w has an odd number of 1's. 5. Here is the transition function...

Q:

| How deeply do I understand the needs and interests of these peoplei>

Q:

Colldhorte by heing otherfiemeci: Vhat cain I de to help others sdtsfi their legifimfite needs, felings, find maints?

Q:

| Who are people who model the values that I want to live?