Why are attribute preservation, dependency preservation, and lossless-join decomposition requirements of a fully normalized database design?
Question:
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 69% (13 reviews)
Attribute preservation involves the requirement that all attributes in a relatio...View the full answer
Answered By
Fahmin Arakkal
Tutoring and Contributing expert question and answers to teachers and students.
Primarily oversees the Heat and Mass Transfer contents presented on websites and blogs.
Responsible for Creating, Editing, Updating all contents related Chemical Engineering in
latex language
4.40+
8+ Reviews
22+ Question Solved
Related Book For
Data Modeling and Database Design
ISBN: 978-1285085258
2nd edition
Authors: Narayan S. Umanath, Richard W. Scammel
Question Posted:
Students also viewed these Computer Sciences questions
-
Consider the following decompositions for the relation schema R of Exercise 15.24. Determine whether each decomposition has (1) the dependency preservation property, and (2) the lossless join...
-
Consider the relation schema ACTIVITY (Stu#, Sport, Cost) and associated relation instance shown below: a. What is the minimal cover of ACTIVITY? b. What, if any, immediate normal form violation...
-
Consider the relation instance STUDENT (Major, Stu_id, Activity, Name, Phone) a. Identify all multi-valued dependencies in STUDENT. b. Describe insertion, deletion, and update anomalies that...
-
How does the organization's mission, vision, values, and strategies shapes the organizational culture and develop culture for change?
-
The financial condition of GreyCo Inc. is expressed in the following accounting equation: Required a. Are dividends paid to creditors or investors? Explain why. b. How much cash is in the Retained...
-
In a simple random sample of size 60, there were 38 individuals in the category of interest. a. Compute the sample proportion p. b. Are the assumptions for a hypothesis test satisfied? Explain. c. It...
-
What rules apply to service and filing of pleadings?
-
The following gives the number of pints of type A blood used at Woodiawn Hospital in the past 6 weeks: Week Of Pints Used August 31 ......... 360 September 7 ........ 389 September 14 ......... 410...
-
Working required Unanswered Question 8 Correct Answer 0/200 pts Let f (x) be a function defined for all real numbers, such that f(3x-9) = f(x) for all R. If f(x) 5x2 +7 lim x2 = 20 2-x find (if it...
-
1. Figure 1 reproduces John's notes on Pioneer Gypsum and Global Mining. Calculate the expected return, risk premium, and standard deviation of a portfolio invested partly in the market and partly in...
-
Consider the relation schema PATIENT_VISIT (Patient, Hospital, Doctor) and the relation instance given below: In addition, suppose the following semantic rules exist. Each patient may be a patient...
-
What is the difference between a loss-join decomposition and a lossless-join decomposition?
-
An old English childs rhyme states, "Little Miss Muffed sat on a tuffet, eating her curds and whey, when along came a spider who sat down beside her. . . ." The spider sat down not because of the...
-
How a medical assistant can differentiate between what a patient believes and what is measurable?
-
Make a folio of 5 different paper sizes, types, colors and their associated use. Also 5 different envelopes sizes, types and colors.
-
A particle is moving along a line. Its displacement (in centimeters) after t seconds is: s(t) = -4t Find the Instantaneous velocity at t = 2. Write your answer as an integer or a fraction. Simplify...
-
How are today's Evolving media content and mobility options increasing or decrease the quality and value of the media we have available to USE AS CONSUMER'S !"
-
Mr. U is actively involved in church activities in his community. During the current year, he incurred the following church-related expenses: Cash contributed to the church $2,000 Round-trip mileage...
-
Prove that the distribution of the time between departures corresponding to the truncated Poisson in the pure death model is an exponential distribution with mean 1/ time units.
-
Use of the contraceptive Depo Provera appears to triple women's risk of infection with chlamydia and gonorrhea , a study reports today. An estimated 20 million to 30 million women worldwide use Depo...
-
Describe benefits and drawbacks of a source-driven architecture for gathering of data at a data-warehouse, as compared to a destination-driven architecture.
-
Consider the schema depicted in as shown below. Give an SQL: 1999 query to summarize sales numbers and price by store and date, along with the hierarchies on store and date. store item-info store-id...
-
Compute the relevance (using appropriate definitions of term frequency and inverse document frequency) of each of the questions in this chapter to the query SQL relation.
-
Gary notices that his production department requires information from the sales division: in turn, the production budget is sent on to other departments. He sees how the budget pieces fit together...
-
On January 1 , Year 1 , Cakes ' N ' Bakes Co . purchased $ 3 0 , 0 0 0 of equipment. The equipment has a salvage value of $ 2 , 0 0 0 and an estimated useful life of 1 0 years. The company uses the...
-
On November 1 , 2 0 2 2 , Gordon Company collected $ 6 , 3 0 0 in cash from its tenant as an advance rent payment on its store location. The six - month lease period ends on April 3 0 , 2 0 2 3 , at...
Study smarter with the SolutionInn App