Question: What is an alternate key?

What is an alternate key?

Step by Step Solution

★★★★★

3.45 Rating (155 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

An alternate key is ... View full answer

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 Database Design For Mere Mortals Questions!

Q:

Read the whitepaper below and summarize what the paper about and discuss the incident response steps the paper mentions and the recovery strategy and phases. Your summary is with 2-3 references and...

Q:

1. What are the main organization structure concepts/key terms? Can you define them? 2. Read the case study Human button, and look for examples of these. 3. What are this organizations goals? How...

Q:

You are the CIO of a Startup called Kitnip. Currently, there are 20 employees supporting 500 customers in the Sacramento area. If the market share is gained, total employees could balloon to 300 in...

Q:

The answers should be very clearly drawn/written with proper blue ball pen. Q.4. Give the Relational Algebra/SQL syntax for the given 3 queries, based on the following vehicle rental database (2+3) x...

Q:

Question 1 10 pts What do you do if a table has no candidate keys? Pick the best answer. Group of answer choices Use any column as primary key Cannot create primary key for this kind of table Add a...

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:

Duplication of data or the storing of the same data in more than one place Integrity B. Security C. Redundancy D. Attribute Ans c Structure that can store information about different categories of...

Q:

1. Please create the following database model which can be forward engineered into a database using MySQL. 70 points Table Name: Employee Column Name Personld EmployeeID FName MName LName DOB Gender...

Q:

For this set of Review Questions, we will create and use a database for the Wedgewood Pacific Corporation (WPC) that is similar to the Microsoft Access database we created and used in Chapters 1 and...

Q:

Problem 3 (1 point each, total 15 points) Please answer the following questions. 1. In a database, there are values a data element can take, and there are values it cannot take. In other words, data...

Q:

Ashcroft Financial paid $590,000 for a 30% investment in the common stock of Sonic, Inc. For the first year, Sonic reported net income of $200,000 and at year-end declared and paid cash dividends of...

Q:

If you're in a car at rest that gets hit from behind, you can suffer a serious neck injury called whiplash. What does whiplash have to do with Newton's first law?

Q:

Ida Company produces a handoratied musical instrument called a gamelan that is similar to a nylophone. The gamelans ane sold for $ 9 8 0 . Selected dists for the company's operations last year...

Q:

13 A muffler shop has three mechanics. Each mechanic takes an average of 45 minutes to install a new muffler. Suppose an average of 1 customer per hour arrives. What is the expected number of...

Q:

You are trying to bake 3 blueberry pound cakes. Cake ingredients are as follows: 1 cup butter, softened 1 cup sugar 4 large eggs 1 teaspoon vanilla extract 1/2 teaspoon salt 1/4 teaspoon nutmeg 1 1/2...

Q:

Many computer applications involve searching through a set of data and sorting the data. A number of efficient searching and sorting algorithms have been devised in order to reduce the runtime of...

Q:

Consider the following piece of C code: for (j=2;j

Q:

1. What is the financial impact of stocks dividends on the company? 2. What are Return on Assets and Return on Stockholders Equity? What is the importance of these financial measures?

Q:

What is the current yield on investment grade bonds such as Apple or Microsoft. How are these bonds rated and where did you get your information?

Q:

Which statement is correct?\ \ Group of answer choices\ \ The market cap of a company's common stock is equal to the Total Shareholders' Equity on the company's balance sheet.\ \ Common stock cannot...