Describe what the term data redundancy means in database
Describe what the term "data redundancy" means in database design. Explain if it is bad and if a normalized database design is always the best design. Discuss the pros and cons of a normalized database.
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Helium gas at constant pressure of 7.4 atm, expands in volume from 21.3 L to 79.2 L. The temperature is held at 278 K. Calculate the work done by the gas (in joules).
Why did the Portuguese and Spanish Monarchies lose control of most of their American domains between 1810 and 1825? What were the problems of the Portuguese and Spanish royal governments, themajor independence movements in the Americas, and the ideol
Explain the terms entity, relationship, and attributes. Describe how they are used in a database.
(a) what is the opportunity cost to this student of allocating enough additional study time on economics to move her grade up from a 90 to a 100 (b) draw a production possibilities curve showing the opportunity cost.
draw a representation for TPCP that would represent its structure if the phenyls were perpendicular to the 5-membered ring (a paddle-wheel structure) and a representation that represents the propeller structure.
what types of strategic plans must Wild West make? Is the "do nothing" option viable? If Wild West's mission appears to be too broad, what businesses would you trim first?
The "graying of America" will substantially increase the fraction of the population that is retired in the decades to come. To illustrate the implications for U.S. living standards, suppose that over the 44 years following 2006 the share of the po
Calculate the concentration of all species in a 0.050 M tartaric acid solution. These species include [H3O+], [HC4H4O6^1-], H2C4H4O6] and [C4H4O6^2-]. For tartaric acid, Kal=1.0 x 10^-3 and Ka2=4.6 X 10^-5.
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Based on the findings presented by Swathi and Reddy (2016), the authors highlight that the teaching profession is characterized by high levels of stress
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In the field of psychology, it is important to distinguish using behavior analytic and mentalistic perspectives when describing behavior.
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This study was conducted as a quantitative research design to investigate the relationship between access to after-school programs and high school graduation
Which of the following is a theory that suggests that harassment occurs when a woman's gender is more salient than her role as a worker,