What is the lossless (or nonadditive) join property of a decomposition? Why is it important?
Question:
What is the lossless (or nonadditive) join property of a decomposition? Why is it important?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (2 reviews)
This property ensures that no spurious tuples are generated ...View the full answer
Answered By
Sandra Dimaala
Sandra from Philippines ,LICENSED PROFESSIONAL TEACHER.
Teachers are our nation builders—the strength of every profession in our country grows out of the knowledge and skills that teachers help to instill in our children. And, as a nation, we must do much, much more to fully appreciate and support their work.
0.00
0 Reviews
10+ Question Solved
Related Book For
Fundamentals Of Database Systems
ISBN: 9780133970777
7th Edition
Authors: Ramez Elmasri, Shamkant Navathe
Question Posted:
Students also viewed these Computer science questions
-
Why is it important to distinguish between a property settlement and alimony?
-
Why are property rights so important in creating wealth?
-
Why do nations seek to join or form economic blocs? What are the advantages of such arrangements?
-
1. Conduct a SWOT analysis for HHI's proposed electronic commerce Web site. You can use the information in the case narrative, your personal knowledge of the retail hardware industry, and information...
-
Make a rank-order transformation for the scores in problems (a) 2a. (b) 2b.
-
Describe four financial statements prepared by federal agencies.
-
Conway Crafters, LLC, negotiated two promissory notes with Gotham Bank. Conway secured the loans to help finance the construction of a new commercial building. Separate mortgages secured each note....
-
You are an economic adviser to the government of China in 2008. The country has a current account surplus and is facing gathering inflationary pressures. a. Show the location of the Chinese economy...
-
Explain the issues that an auditor may need to deal with in the cash accounts, especially if the company has foreign bank accounts for international transactions. Also, would a schedule of interbank...
-
(a) A pair of signals si (t) and s k (t) have a common duration T. Show that the inner product of this pair of signals is given by below, where si and sk are the vector representations of si (t) and...
-
Between the properties of dependency preservation and losslessness, which one must definitely be satisfied? Why?
-
Why can we not guarantee that BCNF relation schemas will be produced by dependency-preserving decompositions of non-BCNF relation schemas? Give a counterexample to illustrate this point.
-
What type of backup schedule and process would you recommend for JC Consulting?
-
A derangement is a permutation in which no element appears in its original position. Give a combi- natorial proof that: n! = =(") do + (") d + (2) dz + ... + (") da, where d, is the number of...
-
1. Modeling traffic is an important aspect of autonomous vehicle design. In the simple vehicle follower model shown, the lead vehicle's displacement and speed are prescribed by the input variables zo...
-
An email marketing campaign randomized expiring subscribers to an online video documentaries site to get a "New Releases" email that either included a reminder to renew (treatment) or not (control)....
-
Write a routine request email to your supervisor asking for a 10% increase in your operating budget and to hire another team member for a new project your department is working on. The project is for...
-
write email for my manager , that i want to work on Tuesday Wednesday instead of Thursday Friday, for this week only because I have school exam that I need to prepare for.
-
Scalar Multiplication Determine |kA| in terms of k and |A|?
-
B made an issue of 150,000 $1 ordinary shares at a premium of 20% the proceeds of which is received by cheque. What is the correct journal to record this? A. Bank Share capital Share premium B. Bank...
-
Give Java code for performing add(e) and remove(i) methods for the Scoreboard class, as in Code Fragments 3.3 and 3.4, except this time, dontmaintain the game entries in order. Assume that we still...
-
Suppose you are given an array, A, containing 100 integers that were generated using the method r.nextInt(10), where r is an object of type java.util.Random. Let x denote the product of the integers...
-
Suppose you are designing a multiplayer game that has n 1000 players, numbered 1 to n, interacting in an enchanted forest. The winner of this game is the first player who can meet all the other...
-
Develop a SWOT analysis of Coles potential business. b. Can Cole be profitable and if so, in what period of time? c. What are the major business assumptions that require verification? d. Does Cole,...
-
The current temperature is 12 oC and the dew point is -29 oC. What is the relative humidity in percentage? Answer to one decimal place. The current temperature is 12 oC and the dew point is -29 oC....
-
The density of the block depends on what material the block is made out of. The table below shows the average densities for 3 different kinds of Earth materials. Using these data, calculate the...
American Roadkill The Animal Victims Of Our Busy Highways 1st Edition - ISBN: 147668443X - Free Book
Study smarter with the SolutionInn App