Question: List the characteristics that a table must have to be considered a relation. List two synonyms for file, two for record, and two for field.

  1. List the characteristics that a table must have to be considered a relation.
  2. List two synonyms for file, two for record, and two for field.
  3. What are the four uses of a primary key?
  4. What are the desirable characteristics of a primary key?
  5. What is a surrogate key and when do you use them?
  6. What is a foreign key?
  7. What is referential integrity and why is it important?
  8. What are the three possible interpretations of a null value?
  9. What is normalization? Why is it important?

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:

a. Using the source data from Figures 8.43 and 8.44, illustrate how the empty tables in Figure 8.46 would be populated. b. Create a dimensional model containing an aggregated fact table, where a fact...

Q:

Q1. Tell whether each of the following sentences is true or false. CORRECT if needed: 1. Therbligs are basic motion elements. ( ) 2. Therbligs involve only physical elements. ( ) 3. Therbligs are...

Q:

There are two problems due this week (each worth 35 points) as follows. Problem 1.6 (page 20) In comprehensive paragraphs, answerrequirements a to e. You will have 5 paragraphs total of four to five...

Q:

My name is Salam Abdulhussein and I need this to be done as soon as possible. Please follow the steps one by one and make sure everything is correct Global Bike, Inc. ERP for Sales / Collection USING...

Q:

Journal of Autism and Developmental Disorders, Vol. 32, No. 3, June 2002 ( 2002) Descriptive Epidemiology of Autism in a California Population: Who Is at Risk? Lisa A. Croen,1,3 Judith K. Grether,1...

Q:

Chapter 2 The Origins of Software Chapter Overview Make an overview of the primary purposes of this chapter. What is the main concept introduced in this chapter? What kind of strategies should...

Q:

Student Name Enrolled ID. No MS 7004 Independent Study MS 7002 Thesis 1. Title: 2. Type of Research: 3. Background of the Research: 4. Research Objectives: 5. Research Questions: 6. Variables:...

Q:

ABTA 2023 Written assignment SHBBFAS005 Provide facial treatments and skin care recommendations What could be included in a clients treatment plan? Describe what a treatment plan is? List three (3)...

Q:

could someone please help me these access assignment Accounting Information Systems Access Assignment S&S Revenue Database Introduction to Microsoft Access: Microsoft Access is representative of...

Q:

1 For this task, imagine that you were asked to present to a class of master's level students who are enrolled in their first quantitative research methods course. Create a PowerPoint presentation...

Q:

Hi need to get done only one article from the given ones but please choose any one except article no 2 as i have already done that one. please choose right theory and apply it on the article and...

Q:

Define x as a symbolic variable. (a) Derive the equation of the polynomial that has the roots x = -2, x = -0.5, x = 2, and x = 4.5. (b) Determine the roots of the polynomial f(x) = x6 - 6.5x5 - 58x4...

Q:

Use the following information and the indirect method to calculate the net cash provided or used by operating activities: Net Income $ 86,800 depreciation expense 13,500 Profit on sale of land 6,800...

Q:

Invest $100 in risky asset with an expected rate return of 0.12 the standard deviation of 0.15 T bill with a rate return of 0.05 a portfolio that has an expected outcome of $116 is formed by what

Q:

Which of the following are problems with identifying users of ABC? Multiple select question. ABC means different things to different organizations. Organizations will announce the discontinuance of...

Q:

8. Should public employees have the same right to strike as private-sector employees are granted under the Labor Management Relations Act? Why or why not?

Q:

1. Was Williams entitled to have a witness at the meeting with Harless, Gray, and Fisher? Explain. TerryWilliams is an employee at a unionized plant in Memphis, Tennessee. Williams is a member of and...

Q:

4. What proof does the Company have that the Grievant did what he was accused of? On March 27, 1998, the Company, the Union, and Mr. Danny Webb, the Grievant, entered into and signed the following...