Show that it is possible to ensure that a dependency-preserving decomposition into 3NF is a loss less-join
Question:
Show that it is possible to ensure that a dependency-preserving decomposition into 3NF is a loss less-join decomposition by guaranteeing that at least one schema contains a candidate key for the schema being decomposed.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 58% (12 reviews)
Let F be a set of functional dependencies that hold on a schema R Let R1 R2 Rn be a dependencypreser...View the full answer
Answered By
Sunil Vernekar
I have 15 years of experience in the field of organic chemistry, in teaching as well in the labarotary research, I have more than 10 years of tutoring experience and working as SME for different platforms. I am Masters in organic chemistry
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Computer Sciences questions
-
Show that it is possible for (an and (bn both to diverge and yet for ((an + bn) to converge?
-
Show that it is possible to outrun a light ray, if you're given a sufficient head start, and your feet generate a constant force.
-
It can be shown that it is possible to determine /x in flat rolling without measuring torque or forces. By inspecting the equations for rolling, describe an experimental procedure to do so. Note that...
-
Table P-23 contains Southwest Airlines' quarterly income before extraordinary items ($MM) for the years 1988-1999. a. Plot the income data as a time series and describe any patterns that exist. b. Is...
-
Brimfield Catering uses the high-low method to predict its total overhead costs. Past records show that total overhead cost was $25,600 when 860 hours were worked and $27,800 when 960 hours were...
-
GlobalWebIndex reports that American Internet users spend an average of 1.72 hours per day on social media platforms (SocialTimes website, December 4, 2015). Suppose we collect a sample of 75 teenage...
-
Another published study of government-sponsored lotteries examined reasons why people purchase lottery tickets (Miyazaki, Langenderfer, \& Sprott, 1999). The researchers approached a number of people...
-
Nguyen, Inc., is considering the purchase of a new computer system (ICX) for $130,000. The system will require an additional $30,000 for installation. If the new computer is purchased it will replace...
-
What are the four statements that contained in most annual reports? Define each one of them
-
Your tax clients, Jack and Diane a married couple filing a joint return, fell in love with a new construction house for sale in their small Illinois hometown. The builder offers two options on the...
-
Show that the decomposition in exercise is not a dependency-preserving decomposition.
-
List the three design goals for relational databases, and explain why each is desirable.
-
(a) Draw the influence lines for the reactions at \(B\) and \(E\), the shear between \(C D\), the moment at \(B\) and \(D\) for the girder \(H G\) in Figure P12.18. (b) If the dead load of the floor...
-
Inventories Work in process Materials Finished goods Accounts payable Accounts receivable Beginning 15,000 24,000 31,000 Advertising expense Depreciation of factory equipment Depreciation of office...
-
Case2: Justice Law Firm is a Partnership company; Use the below Adjusted Trial Balance on December 31-2022. To prepare the financial .statement : 31 . Account name Cash Land Justice Law Firm Adjusted...
-
Pgina 11 de 13 Exercise 3. (Previous year exams) Regarding the labor costs, one company shown the following annual data per employee: Gross Annual Salary: "National social security" paid by the...
-
If you exert a force of 53 N to walk 4 m up a flight of stairs in 6 seconds, how much power do you use? Answer in units of W.
-
Coundon Ltd , a key supplier of the Eldon plc group, experienced cash flow difficulties during 2 0 2 2 . On 1 October 2 0 2 2 , Eldon plc provided a five - year 1 0 million loan to Coundon Ltd at an...
-
Some experts believe that although computer technology is improving our lives in many ways, it might be impairing our ability to think critically by putting answers at our fingertips. What do you...
-
Using the information presented in Problem 13.4B, prepare a partial statement of cash flows for the current year, showing the computation of net cash flows from operating activities using the...
-
What are two different ways to classify matter?
-
Using the university schema, write an SQL query to find the IDs of those students who have retaken at least three distinct courses at least once. select distinct, ID from ( select course_id, ID from...
-
Rewrite the preceding query, but also ensure that you include only instructors who have given at least one other non-null grade in some course.
-
Using the university schema, write an SQL query to find the ID and title of each course in Comp. Sci. that has had at least one section with afternoon hours.
-
You observe the price of a latte changes from $4 to $5. Instructions: Round your answer to one decimal place. If you are entering a negative number include a minus sign. a. What is the percentage...
-
Layer 2 switches work at a simple level for communication and switching. With technology advancing and routers being able to make more complex decisions, why is this method still used?
-
Explore the significance of intermedial allusions in multimedia storytelling, such as in graphic novels or hypertext fiction, and their implications for narrative coherence and interpretation.
Study smarter with the SolutionInn App