Explain why data redundancy exists for the attributes Discount and Location in the STOCK table in Figure

Question:

Explain why data redundancy exists for the attributes Discount and Location in the STOCK table in Figure 7.1c.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Data Modeling and Database Design

ISBN: 978-1285085258

2nd edition

Authors: Narayan S. Umanath, Richard W. Scammel

See More Books

Question Posted: Apr 21, 2016 06:27 AM

See More Questions

Draw an ERD for each of the following situations. (If you believe that you need to make additional assumptions, clearly state them for each situation.) Draw the same situation using the tool you have...
Explain functional dependency between two attributes.
Match the following terms to the appropriate definitions: _____ well-structured relation _____ anomaly _____ functional dependency _____ determinant _____ composite key _____ 1nf _____ 2nf _____ 3nf...
The key rates in the US and New Zealand are 1.61% and 1.64%, accordingly. The value of NZDUSD is 0.9756 on the Forex-market. What is the value of this currency futures with time of maturity 9 months?
Carolina Company experienced the following events during 2013. 1. Acquired $50,000 cash from the issue of common stock. 2. Paid $15,000 cash to purchase land. 3. Borrowed $25,000 cash. 4. Provided...
Graph the curves Explain the relationship between the curves formula and what you see. y - 1 4 - x 2
Should we resign ourselves to the continued growth of the gig economy or fight for the right to full-time labor with benefits to and protections for workers? In Ghost Work: How to Stop Silicon Valley...
The sales manager of Flying Carpets, a carpet manufacturer and wholesaler, is analyzing the profitability of two of the company's customers. One customer, a boutique store, purchases small orders for...
The program in Figure 1 was written to find how many upper letters, numerals, operators, and total characters are in the text array. However, the program contains syntax and logic errors. a) Identify...
You have been assigned to analyze the year-end inventory of Dynomil Company. This company sells three items of inventory and tracks of the average purchase cost and average selling price each month....
Given the Universal Relation Schema URS (A, B, C, G, W, X, Y, Z) and the set of FDs prevailing over URS, F {fd1, fd2, fd3, fd4, fd5}, where: a. Derive a canonical cover of F. b. Derive the candidate...
Why can functional dependency not be inferred from a particular relation state?
Work preferences of different generations and public values over things like high pay for corporate executives are examples of developments in the ____________ environment of organizations. (a) task...
What is the addition to the who it is found 34 278 weer dit may be What is the standard deviation for the values of the random van? Wat the The standard deviation is (Round in three decimal places...
Turner Company owns 10% of the outstanding stock of ICA Company. During the current year, ICA paid a $5 million cash dividend on its common shares. Ignore income taxes. What effect did this dividend...
Cane Company manufactures two products called Alpha and Beta that sell for $165 and $130, respectively. Each product uses only one type of raw material that costs $8 per pound. The company has the...
On January 1, 2021, Eagle Company borrows $19,000 cash by signing a four-year, 8% installment note. The note requires four equal payments of $5,737, consisting of accrued interest and principal on...
A computer-controlled ball launcher on a ledge at height h = 5 m above level ground ejects a ball at initial speed vo = 6.4 m/s at an angle of 0 = 38 degrees above the horizontal. Assume that air...
The population of salmon next year is given by (S) = Ser (1-S/P) , where S is this years salmon population, P is the equilibrium population, and r is a constant that depends upon how fast the...
Differentiate the following terms/concepts: a. Personality types and money attitudes b. Planners and avoiders c. Moderating and adapting to biases d. "Perfectible judges" and "incorrigible judges"
For each of the three partitioning techniques, namely round-robin, hash partitioning, and range partitioning, give an example of a query for which that partitioning technique would provide the...
In a range selection on a range-partitioned attribute, it is possible that only one disk may need to be accessed. Describe the benefits and drawbacks of this property.
What factors could result in skew when a relation is partitioned on one of its attributes by: a. Hash partitioning b. Range partitioning In each case, what can be done to reduce the skew?
After a default and pursuant to an application by the first mortgage holder on title, the court will issue a preliminary order of foreclosure, setting a time limit within which time the mortgage must...
Imagine that there are three residents of Austin, and that each of them has an elderly grandmother who also lives in town. Each of the grandchildren faithfully visits his or her grandmother for three...
1. Sarah purchased a new smartphone from a local electronics store. The seller assured me that this phone will have long lasting battery usage. After a few weeks of use, the phone starts experiencing...

Explain why data redundancy exists for the attributes Discount and Location in the STOCK table in Figure

Question:

Step by Step Answer:

Data redundancy is defined as the superfluous repetition of data that ...View the full answer

Data Modeling and Database Design

Students also viewed these Computer Sciences questions