A relation R is horizontally fragmented into two sub relations say f1, f2 Then further these...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
A relation R is horizontally fragmented into two sub relations say f1, f2 Then further these two sub relations are vertically fragmented into two sub relations i.e. fl is subdivided into fla and flb, and f2 is subdivided into f2a and f2b. a) Write a relational algebraic query to reconstruct it to the original relation? EID F2B) What type of fragment is this? b) (F1AEID FIB) U (F2A XE A relation R is horizontally fragmented into two sub relations say f1, f2 Then further these two sub relations are vertically fragmented into two sub relations i.e. fl is subdivided into fla and flb, and f2 is subdivided into f2a and f2b. a) Write a relational algebraic query to reconstruct it to the original relation? EID F2B) What type of fragment is this? b) (F1AEID FIB) U (F2A XE
Expert Answer:
Answer rating: 100% (QA)
The relational algebraic query provided in the image seems to be a mixup or incorrectly represented ... View the full answer
Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
Posted Date:
Students also viewed these programming questions
-
Hi, please help address these 2 questions briefly. I will share a study below, meanwhile, imagine that you are the compliance officer consulted on the manufacturing incident at Happy Baby(case...
-
Write programs that implement Algorithms 15.4 and 15.5. Algorithm 15.4 Relational Synthesis into 3NF with Dependency Preservation and Nonadditive Join Property Input: A universal relation R and a set...
-
You are a recent graduate of Columbia Law School who finished in the top ten percent of your class. Your lifelong passion is to preserve the environment. Consequently, you hope to practice...
-
Use the following data to determine the total dollar amount of assets to be classified as Long-Term: Sons of Anarchy Office Supplies Balance Sheet December 31, 2029 Cash $ 130,000 Accounts payable $...
-
Sol Electronics, a fast-growing electronic device producer, uses a standard costing system, with standards set at the beginning of each year. In the second quarter of 2015, Sol faced two challenges:...
-
Why is the IASC's influence greater in Singapore than in South Korea?
-
Stars Ltds account balances at 31 December 20x5 are as follows: Required 1 Prepare a profit and loss statement for the year ending 31 December 20x5. 2 Prepare a classified balance sheet as at 31...
-
ROBCOR, Inc., whose sample data are contained in the database named Ch13_P4.mdb, provides "on demand" aviation charters using a mix of different aircraft and aircraft types. Because ROBCOR has grown...
-
Using the minimum payment balance formula. You have a credit card with an APR of 24%. The card requires a minimum monthly payment of 5% of the balance. You have a balance of $5500. You stop charging...
-
Music Media Ltd. prepares statements quarterly. Part A: Required 1. Based on 2019 results, Music?s estimated tax liability for 2020 is $285,960. Music will accrue 1/12 of this amount at the end of...
-
The following are two independent situations. The underlined entity is the reporting entity. (Click the icon to view the situations.) Required a (i) Assuming that the reporting company prepares its...
-
A tennis ball has a mass of 0.051 kg. A professional tennis player hits the ball hard enough to give it a speed of 47 m/s (about 105 miles per hour.) The ball moves toward the left, hits a wall and...
-
Accountingcase study. There are many things that go into determining the strength of a company, and they should be considered when deciding where to invest valuable capital. One good way to make a...
-
9(a) The range of a rifle bullet is 1200 yards when a is the angle of elevation of projection. Show that if the rifle bullet is fired with the same elevation from a car travelling at 10 miles per...
-
QUESTION 1 Bata manufactures a high volume of reasonably prices shoes for elderly people. The company has a trade receivables ledger that is material to the financial statements containing four...
-
Q.1(a) If a+bab, then show that a and b are perpendicular to each other. 8 (b) Define reciprocal system of vectors and find a set of vectors reciprocal to the set -1+1+k,i-j+k andi+j+2k. 8
-
Read about the biopsychosocial framework/approach BEFORE answering this question. Let's say a high school student is arrested for selling methamphetamine in the school's parking lot before class. How...
-
Complete the following acid-base reactions: (a) HCCH + NaH
-
Let E: Z32 Z92 be the encoding function for the (9, 3) triple repetition code. (a) If D: Z92 Z32 is the corresponding decoding function, apply D to decode the received words (i) 111101100; (ii)...
-
Evaluate each of the following. (a) 125-4/3 (b) 0.0272/3 (c) (4/3)(l/8)-2/3
-
For E = {0, 1} determine whether the string 00010 is in each of the following languages (taken from E*). (a) {0, 1}* (b) {000, 101}{10, 11} (c) {00}{0}{10} (d) {000}*{1}{0} (e) {00}*{10} (f)...
-
Three years ago the TCBY at the local mall bought a frozenyogurt machine for $8,000. A salesperson has just suggested to the manager that she replace the machine with a new $12,500 machine. The...
-
English Bay Beach Company manufactures suntan lotion, called Surtan, in 11 -ounce plastic bottles. Surtan is sold in a competitive market. As a result, management is very cost-conscious. Surtan is...
-
Jessica Company manufactures bicycles and tricycles. For both products, mate- rials are added at the beginning of the production process, and conversion costs are in- curred uniformly. Jessica...
Study smarter with the SolutionInn App