Explain three conditions that suggest a surrogate key should be created for the primary key of a
Question:
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 60% (15 reviews)
The following three conditions are adequate to suggest that a surrogate key should be developed ...View the full answer
Answered By
Shaira grace
I have experience of more than ten years in handing academic tasks and assisting students to handle academic challenges. My level of education and expertise allows me communicate eloquently with clients and therefore understanding their nature and solving it successfully.
5.00+
4+ Reviews
10+ Question Solved
Related Book For
Modern Database Management
ISBN: 978-0133544619
12th edition
Authors: Jeff Hoffer, Ramesh Venkataraman, Heikki Topi
Question Posted:
Students also viewed these Computer Sciences questions
-
State three conditions that suggest the designer should model a relationship as an associative entity type.
-
Use the JustLee Books database to perform the following activity: There are three major classifications for employees who dont work for the Information Systems Department of JustLee Books: account...
-
Explain the problems inherent in using sequences for surrogate key columns.
-
Patients who undergo chronic hemodialysis often experience severe anxiety. Videotapes of progressive relaxation exercises were shown to one group of patients and neutral videotapes to another group....
-
Is there a difference in the pricing at Walmart versus Target for health and beauty supplies? To answer this question, a student randomly selected 10 identical products at each store and recorded the...
-
In doing physical therapy for an injured knee joint, a person raises a 5.0-kg weighted boot as shown in Fig. 8.39. Compute the torque due to the boot for each position shown. 90 40 cm 60 30
-
A machine shop floor is subjected to the following vibration due to electric motors running at different speeds: \[x(t)=20 \sin 4 \pi t+10 \sin 8 \pi t+5 \sin 12 \pi t \mathrm{~mm}\] If a vibrometer...
-
a. Use the random numbers 0.3753, 0.9218, 0.0336, 0.5145, and 0.7000 to generate five simulated values for the PortaCom direct labor cost per unit. b. Use the random numbers 0.6221, 0.3418, 0.1402,...
-
1. What is the independent variable in the study? Why? 2. What is the dependent variable in the study? Why? 3. How could this information be useful to emergency managers/emergency planners? 4. Do you...
-
A propane-tired water heater delivers 80% of the standard heat of combustion of the propane [at 25(C with CO2(g) and H2O(g) as products) to the water. If the price of propane is $2.20 per gallon as...
-
Match the following terms to the appropriate definitions: well-structured a. constraint between two relation anomaly functional attributes b. functional dependency between the primary key and a...
-
What are the benefits of the use of a surrogate key?
-
Eddie Zambrano Corporation began operations on January 1, 2011. During its first 3 years of operations, Zambrano reported net income and declared dividends as follows. The following information...
-
Ernie Hasana is self - employed as a virtual assistant. He will use the single filing status, and his only source of income was a net profit of $ 9 6 , 0 0 0 from his business. Ernie's partially...
-
Magic Realm, Incorporated, has developed a new fantasy board game. The company sold 45,500 games last year at a selling of $65 per game. Fixed expenses associated with the game total $819,000 per...
-
Tracy Company, a manufacturer of air conditioners, sold 200 units to Thomas Company on November 17, 2024. The units have a list price of $650 each, but Thomas was given a 30% trade discount. The...
-
A capital budgeting project requires a cash investment of $1,600,000. The required rate of return is 12% and the investment will yield annual cash inflows over its useful life of four years. What is...
-
Crane Limited is leasing a used Caterpillar excavator to Town Construction Ltd. The term of the lease is 8 years and the excavator will be owned by Town at the end of the lease if Town makes an...
-
Justin must have an average of at least 80 on the four tests in a course to get a B. He had scores of 83, 76, and 79 on the first three tests. What possible scores on the fourth test would guarantee...
-
Citing a scientific article, explain in your own words, how DNA fingerprinting has been used in forensic science to solve crimes and why it may not always be accurate or effective.
-
Give an alternative representation of bank information containing the same data as shown in figure but using attributes instead of subelements. Also give the DTD for this representation. A-101...
-
Show, by giving a DTD, how to represent the books nested-relation from Section 9.1, using XML
-
Give the DTD for an XML representation of the following nested-relational schema Emp = (ename, ChildrenSet setof (Children), SkillsSet setof (Skills)) Children = (name, Birthday) Birthday = (day,...
-
What are some managerial implications or consequences of ethical leadership at a company? 2. What is ethical leadership and what is it's impact on an organization? How might authoritative and...
-
Determine three planes) interection point. Th = 5x+4y+52-18=0 712=4x-54+9=0 13=-5x+10y-12=0
-
A particle initially has a speed of 0.46c. (Enter your answers in terms of c. Round your answers to at least three decimal places.) (a) At what speed does its momentum increase by 1%? .465 x c (b) At...
Study smarter with the SolutionInn App