...Functional Dependency is mainly known as Normalization. Professor Codd in 1970 was the first person to define it. There are three steps to this dependency. Normalization is used to eliminate the three types of anomalies which are insertion, deletion and update anomalies. The three normalization are what a database can suffer from. They also define what the database is about because of all the work that goes into it. The Insertion Anomaly is when some of the data cannot be added into the database. There are just certain areas of the database where information just cannot be added or else it would mess up the system or get you a big (OOOPS). Update an0omaly is when there is redundancy going on in the database which will cause changes to everything that is in the database. Instead of change one information and the database changing all of them, a person has to go and do it one step at a time. Deletion anomaly is deleting of some data that causes other information to be lost or deleted. Example -1. Assume the following relation Student-courses (Sid:pk, Sname, Phone, Courses-taken) Where attribute Sid is the primary key, Sname is student name, Phone is student's phone number and Courses-taken is a table contains course-id, course-description, credit hours and grade for each course taken by the student. More precise definition of table Course-taken is : Course-taken (Course-id:pk, Course-description, Credit-hours, Grade) According to the definition of first normal form relation...
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...1. What is data manipulation language (with regard to SQL)? Data manipulation language is used to retrieve and change data in a database, specifically relational. 2. What is data definition language (with regard to SQL)? The data definition language is in syntax similar to computer programming language and it defines data structures. 3. Describe the wild card characters that you may use in an SQL query. Wildcards can be used in expressions. The underscore “_” can select a single character. The percent “%” can select a series of characters. The brackets “[ ]” can be used to select a range. 4. How do you alias a column in SQL? Explain and provide an example. You can do this by using the AS keyword. 5. How would you write the WHERE clause to return all employee last names beginning with D? - SELECT * FROM EmployeeAddressTable WHERE LastName LIKE d%’ 6. How would you write the WHERE clause to return all employees living in Tucson, whose names begin with an S? -SELECT * FROM EmployeeTableTucson Where City = Tucson And LastName LIKE s%’ 7. What is an aggregate function? An aggregate function is an operation on several rows at a time. 8. What is the function of the term DISTINCT in a SELECT clause? It can be used to return unique values within a monotonous table. 9. How does the ORDER BY clause work, when no other keywords related to it are specified? What about “ORDER BY EmployeeLastName DESC”? The ORDERBY clause needs to be specified. ...
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...Kylie Lewis 4/9/14 Block 3 Segways: Terror Causing Torture Devices Treasured recollections with your best friend scrapbook themselves as terror-and-pain-free moments. Well, they should anyway, but with my best friend Alexis’s and my aptitude for disaster, my most memorable memories with her elicit injury-and-terror-filled life- flashing-before-my-eyes-moments. Thanks to our never-failing clumsiness, the four day trip I took with her and her eccentric family to St. Louis last fall break included slips down staircases, tumbles into rooftop ponds, and an accidental masterpiece resulting from a dropped pumpkin. Despite all of these unfortunate accidents, one escapade trumped all of them: The Great Segway Fiasco. Eerie, early morning fog shrouded our car on the morning it all began as we drove down the St. Louis streets toward the Segway rental place; Alexis’s mom had signed us up for a Segway tour. As we arrived at the Segway place, the tour leader presented us with a very clear set of rules. “Now, since your age of 12 doesn’t reach our city-street age requirement of 16, we’ll be taking you guys in the woods today. This means that the path will be considerably thinner, so you need to ride single file. If your tires bump against anyone else’s, you guys will crash. Remember, Segways are designed to continue moving along even after you get off of them, so make sure to lean your Segway against a tree or rock when you step off.” He barked loudly. After a century of learning how...
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...Faculty of Business Studies Tutor Marked Assignment BE322: Entrepreneurship and small business management First Semester 2015 – 2016 What Segway Learned About the Value of Feasibility Analysis the Hard Way Web:www.segway.com Introduction The Segway PT is a two-wheeled, self-balancing transportation device that consists primarily of a set of tall handlebars on top of two disc-like wheels. There are no chains or visible mechanical workings. Riders lean forward to move forward and back to move backward. Turning is done mechanically via hand controls. The device is driven by a quiet, nonpolluting electric motor and can travel up to 10 miles per hour. The name "Segway PT" stands for "Segway Personal Transporter. " The Segway was built in secrecy and was unveiled on December 3, 2001 , on the ABC program Good Morning America. [pic] [pic] The initial reaction to the Segway PT was enthusiastic. Venture capitalist John Doerr predicted that it would be as important as the Internet. Apple's Steve Jobs predicted that cities would be built around it. To cope with the expected demand for the product, Segway's factory in Bedford, New Hampshire, was designed to build up to 40,000 units per month. Initial sales were targeted at between 10,000 and 50,000 units during the first 12 months. But, after 21 months, only 6,000 units had sold. What went wrong? Feasibility Analysis ...
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...The segway What has changed witht the invention of the segway? Steve Jobs said it would be bigger than the PC. Today, it used everyday with police departments, security companies, and golf courses. But the segway didnt revolutionize these departments. The Segway PT is a two-wheeled, self-balancing, battery-powered electric vehicle. It was marketed as a balance-sensitive machine that could transport a human at about 13 m.p.h. and last for a day on only 5 cents-worth of electricity. This brought the glamour of the segway, but it do anything new for these departments. People believed we needed it as a faster way to travel around in pedestrian areas, where vehicles were not allowed. This was the first of its kind, and did not replace a product, simply creating its own market. Invented by Dean Kamen, it is produced by Segway Inc. of New Hampshire, USA. This is a new technology, but merely an improvement in transportation. There were a couple problems with why the segway did not revolutionize transportation. Since Segways could go up to 13 m.p.h., they were not allowed on most sidewalks. However, they also went too slow for many roads, leaving customers unsure of where to ride them. Plus, the $4,950 debut price put the machines far out of budget for the average consumer. With such a high price, it could not become an item that everyone had, and why would you spend so much on an item you were unsure of where to ride it. There was also the problem of injury. In 2003, Segway...
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...In December 2001, Dean Kamen of Segway LLC unveiled the Human Transporter HT. With lofty ideas of replacing the automobile and unrealized sales forecasts, Kamen's Segway HT has not moved mankind nearly as much as Kamen had expected. With an annual CEO change since start-up, it is apparent that Segway's lack of a stated vision and mission is haunting the organization. The lack of "a way ahead", coupled with a less than well-defined marketing strategy, has caused Segway to fall short of Kamen's expectations. Kamen, while a definite asset to Segway, could be a detour or even a dead end on the company's road to success. Historically, Kamen's successes have been based on his abilities to be innovative in research and design, while at the same time being able to pass the developed product off to a partnering company that is able to take the product to market. Kamen's emotional attachment to Segway is preventing its success. As if these problems were not enough, combined with the fact that there was no pent up demand for such a product, Segway's future success will be dependent on an organizational make-over. Segway Value Chain In order to highlight Segway's situation, I have broken down their value chain into two simple classes. Firstly I will focus on "what is working" and secondly on "what is not working" for Segway. What is working Technology: Segway uses their patented design to produce a socially responsible (green product), environmentally friendly mode of transportation...
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...Paul Baptista Critique 2 New Product Planning SEGWAY In this critique I will be analyzing the product failure of the Segway PT a two wheeled (Personal Transportation) device that is battery powered that utilizes self-balancing technology. It is propelled by simply standing on the device and pitching your weight forward or backwards. The technology in the base of the Segway utilized motors and sensors to adapt to the angle or pitch the rider commanded and set forth the speed and direction, turning the Segway worked in the same manner by leaning with the handle bars to turn left or right which changed the speed of the wheels to turn in either direction. Segway was considered to be a game changing innovation in the way the regular person would get around, endorsed by big names like “Steve Jobs” from Apple and “Jeff Bezos” from Amazon, Segway seemed to be the new thing with a Blue Ocean approach in personal transportation market . In this critique I will be elaborating on the missteps taken by Segway’s entry to new transportation market facing regulatory transportation barriers, followed by the shortcomings with the quality of the product, and why the Segway failed to appeal to the market, lastly some suggested improvements. Barriers to Entry Segway had a plan to develop and change the way people moved around from point A to point B by creating a device that would be environmentally friendly and economically useful for everyday use. The problem the firm faced was once introduced...
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...Faculty of Business Studies Tutor Marked Assignment BE322: Entrepreneurship and small business management First Semester 2015 – 2016 What Segway Learned About the Value of Feasibility Analysis the Hard Way Web:www.segway.com Introduction The Segway PT is a two-wheeled, self-balancing transportation device that consists primarily of a set of tall handlebars on top of two disc-like wheels. There are no chains or visible mechanical workings. Riders lean forward to move forward and back to move backward. Turning is done mechanically via hand controls. The device is driven by a quiet, nonpolluting electric motor and can travel up to 10 miles per hour. The name "Segway PT" stands for "Segway Personal Transporter. " The Segway was built in secrecy and was unveiled on December 3, 2001 , on the ABC program Good Morning America. [pic] [pic] The initial reaction to the Segway PT was enthusiastic. Venture capitalist John Doerr predicted that it would be as important as the Internet. Apple's Steve Jobs predicted that cities would be built around it. To cope with the expected demand for the product, Segway's factory in Bedford, New Hampshire, was designed to build up to 40,000 units per month. Initial sales were targeted at between 10,000 and 50,000 units during the first 12 months. But, after 21 months, only 6,000 units had sold. What went wrong? Feasibility Analysis ...
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...The Segway PT is a two-wheeled, self-balancing transportation device that consists primarily of a set of tall handlebars on top of two disc-like wheels. There are no chains or visible mechanical workings. Riders lean forward to move forward and back to move backward. Turning is done mechanically via hand controls. The device is driven by a quiet, nonpolluting electric motor and can travel up to 10 miles per hour. The name "Segway PT" stands for "Segway Personal Transporter. " The Segway was built in secrecy and was unveiled on December 3, 2001 , on the ABC program Good Morning America. The initial reaction to the Segway PT was enthusiastic. Venture capitalist John Doerr predicted that it would be as important as the Internet. Apple's Steve Jobs predicted that cities would be built around it. To cope with the expected demand for the product, Segway's factory in Bedford, New Hampshire, was designed to build up to 40,000 units per month. Initial sales were targeted at between 10,000 and 50,000 units during the first 12 months. But, after 21 months, only 6,000 units had sold. What went wrong? Feasibility Analysis While the Segway was a technological marvel, in retrospect there were fundamental flaws in both its product feasibility analysis and its market feasibility analysis. When reviewing Segway's prelaunch and postlaunch behavior, one has to wonder how so many critical issues seemingly weren't analyzed or were missed. It provides lessons for future entrepreneurs to be more...
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...tổng hợp đề thi nguyên lý thống kê kinh tế 4tc kì 3 năm 2012 (28/11/2012) lưu ý: các topic thảo luận câu hỏi đúng sai kì 3 năm 2012 (phần lớn các câu hỏi khi đi thi trùng với các câu trong topic) https://www.facebook.com/DethiNEU/posts/433571540030904 https://www.facebook.com/DethiNEU/posts/433933453328046 https://www.facebook.com/DethiNEU/posts/433934683327923 https://www.facebook.com/DethiNEU/posts/434313226623402 https://www.facebook.com/DethiNEU/posts/434330823288309 số đề C151 phần A: đúng sai giải thích. 1. chỉ tiêu thống kê phản ánh đặc điểm của đơn vị tổng thể. 2. mốt chỉ được xác định từ dãy số phân phối theo tiêu thức số lượng. 3. phân tổ chỉ đóng vai trò trong việc tổng hợp tài liệu thống kê, không có tác dụng gì trong phân tích thống kê. 4. liên hệ tương quan là mối liên hệ không hoàn toàn chặt chẽ. 5. lượng tăng giảm tuyệt dối bình quân chính là trung bình của các lượng tăng giảm tuyệt đối liên hoàn. 6. kết quả của điều tra chuyên đề dùng để suy rộng cho toàn bộ hiện tượng. 7. chỉ số tổng hợp nêu lên sự biến động về lượng qua thời gian thực chất là trung bình cộng giản đơn các chỉ số đơn về lượng. 8. nếu số trung bình nhỏ hơn trung vị thỳ những đơn vị có lượng biến lớn hơn sô trung bình sẽ chiếm đa số tổng thể. Phần B:trắc nghiệm lựa chọn phần C: bài tập. bài 1: bài 2: có tài liệu của một doanh nghiệp gồm 3 phân xưởng trong 2012 như sau: tổng quỹ tiền lương của công nhân tháng 1 là 120 triệu. do kết cấu số công nhân tháng...
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...Alaska 2013 BAH Rates - WITH DEPENDENTS MHA E-1 1770 1665 1908 1899 1698 1626 E-2 1770 1665 1908 1899 1698 1626 E-3 1770 1665 1908 1899 1698 1626 E-4 1770 1665 1908 1899 1698 1626 E-5 1983 1971 2391 2103 2097 2025 E-6 1992 1980 2400 2112 2106 2034 E-7 2061 2076 2433 2247 2238 2127 E-8 2148 2190 2478 2403 2391 2235 E-9 2271 2319 2592 2568 2577 2358 W-1 1995 1983 2403 2115 2109 2037 W-2 2097 2124 2451 2310 2301 2172 W-3 2205 2265 2508 2502 2490 2307 W-4 2298 2337 2625 2592 2610 2379 W-5 2406 2427 2763 2694 2754 2463 O1E 2079 2100 2442 2277 2271 2148 O2E 2190 2244 2499 2475 2463 2286 O3E 2313 2352 2646 2607 2634 2391 O-1 1986 1974 2394 2106 2100 2028 O-2 1989 1977 2397 2109 2103 2031 O-3 2202 2259 2505 2496 2481 2301 O-4 2448 2460 2817 2736 2808 2496 O-5 2622 2601 3042 2904 3039 2637 O-6 2649 2628 3072 2931 3069 2661 O-7 2673 2652 3105 2961 3102 2688 Alaska KETCHIKAN, AK SITKA, AK JUNEAU, AK KODIAK ISLAND, AK ANCHORAGE, AK FAIRBANKS, AK AK400 AK401 AK402 AK403 AK404 AK405 Alabama 2013 BAH Rates - WITH DEPENDENTS MHA E-1 861 E-2 861 E-3 861 E-4 861 E-5 915 E-6 1020 E-7 1053 E-8 1089 E-9 1170 W-1 1023 W-2 1068 W-3 1113 W-4 1191 W-5 1281 O-1E 1059 O-2E 1107 O-3E 1206 O-1 927 O-2 1017 O-3 1110 O-4 1317 O-5 1464 O-6 1479 O-7 1494 Alabama ANNISTON / FT MCCLELLAN FORT RUCKER HUNTSVILLE, AL MOBILE, AL MONTGOMERY, AL AUBURN, AL BIRMINGHAM, AL TUSLOOSA, AL AL001 AL002 AL003 AL004 AL005 AL006 AL007 AL008 AL001 939 1023 1002 1062 1026 1017 1068 861 939 1023 1002...
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...1 1 Fundamentals of Semiconductor Electrochemistry and Photoelectrochemistry Krishnan Rajeshwar The University of Texas at Arlington, Arlington, Texas 1.1 1.2 1.3 1.3.1 1.3.2 1.3.3 1.3.4 1.4 1.4.1 1.4.2 1.4.3 1.5 1.5.1 1.5.2 1.5.3 1.5.4 1.5.5 1.6 1.7 1.7.1 1.7.2 1.7.3 1.7.4 1.7.5 Introduction and Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electron Energy Levels in Semiconductors and Energy Band Model . The Semiconductor–Electrolyte Interface at Equilibrium . . . . . . . . The Equilibration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The Depletion Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mapping of the Semiconductor Band-edge Positions Relative to Solution Redox Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Surface States and Other Complications . . . . . . . . . . . . . . . . . . . Charge Transfer Processes in the Dark . . . . . . . . . . . . . . . . . . . . Current-potential Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dark Processes Mediated by Surface States or by Space Charge Layer Recombination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rate-limiting Steps in Charge Transfer Processes in the Dark . . . . . Light Absorption by the Semiconductor Electrode and Carrier Collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Light Absorption...
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...Chronic Critical Illness Judith E. Nelson1, Christopher E. Cox2, Aluko A. Hope1,3 and Shannon S. Carson4 + Author Affiliations 1Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, and Hertzberg Palliative Care Institute, Mount Sinai School of Medicine, New York, New York; 2Division of Pulmonary and Critical Care Medicine, Department of Medicine, Duke University School of Medicine, Durham, North Carolina; 3Department of Geriatrics and Palliative Medicine, Mount Sinai School of Medicine, New York, New York; 4Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of North Carolina, Chapel Hill, School of Medicine, Chapel Hill, North Carolina Correspondence and requests for reprints should be addressed to Judith E. Nelson, M.D., J.D., Box 1232, Mount Sinai School of Medicine, 1 Gustave Levy Place, New York, NY 10029. E-mail: Judith.nelson@mssm.edu Next SectionAbstract Although advances in intensive care have enabled more patients to survive an acute critical illness, they also have created a large and growing population of chronically critically ill patients with prolonged dependence on mechanical ventilation and other intensive care therapies. Chronic critical illness is a devastating condition: mortality exceeds that for most malignancies, and functional dependence persists for most survivors. Costs of treating the chronically critically ill in the United States already exceed $20 billion and are increasing. In...
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...Addison-Wesley 0 A D Rn Rn A A WEB SG C SG WEB x1 ; : : : ; xn a1 x1 C a2 x2 C b a1 ; : : : ; an C an xn D b n n n 5x2 C 2 D x1 4x1 3x1 4x1 5x2 D x2 D 2 p 6 p x3 D 2 6 2x1 C x2 2 5x2 D x1 x2 x1 x2 x1 C x3 p x2 D 2 x1 x1 ; : : : ; xn 2x1 x1 x2 C 1:5x3 D 4x3 D 8 7 6 p x1 .s1 ; s2 ; : : : ; sn / s1 ; : : : ; sn x1 ; : : : ; xn .5; 6:5; 3/ x1 ; x2 ; x3 8D8 x1 2x2 D x1 C 3x2 D 7D 7 1 3 `1 .x1 ; x2 / `1 `2 `2 .x1 ; x2 / .3; 2/ x2 2 l2 3 x1 l1 x1 2x2 D x1 C 2x2 D x1 2x2 D x1 C 2x2 D 1 3 x2 x2 2 l2 1 1 2 3 l1 x1 3 l1 (a) (b) x1 2x2 C x3 D 0 2x2 x1 8 8x3 D 4x1 C 5x2 C 9x3 D 2 2 1 4 0 4 1 4 0 4 3 1 85 9 2 2 5 2 2 5 9 1 8 9 3 0 85 9 0 x1 C 2x2 3 n m n n x1 x1 x2 x2 4 8x3 D 8 m m 2x2 C x3 D 2x2 8x3 D 4x1 C 5x2 C 9x3 D x1 2 0 8 9 1 4 0 4 2 2 5 3 0 85 9 1 8 9 x1 Π4 ΠCΠ4x1 8x2 C 4x3 D 4x1 C 5x2 C 9x3 D W W 3x2 C 13x3 D W 2x2 C x3 D 8x3 D 2x2 3x2 C 13x3 D x1 2 0 8 9 1 40 0 0 9 9 3 0 85 9 2 1 2 8 3 13 1=2 x2 2x2 C x3 D 4x3 D x2 3x2 C 13x3 D x1 2 0 4 9 x2 1 40 0 3 0 45 9 2 1 1 4 3 13 3x2 3 ΠCΠx1 3x2 12x3 D 12 ...
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...CATECHISM OF THE CATHOLIC CHURCH Table of Contents PROLOGUE I. The life of man - to know and love God nn. 1-3 II. Handing on the Faith: Catechesis nn. 4-10 III. The Aim and Intended Readership of the Catechism nn. 11-12 IV. Structure of this Catechism nn. 13-17 V. Practical Directions for Using this Catechism nn. 18-22 VI. Necessary Adaptations nn. 23-25 PART ONE: THE PROFESSION OF FAITH SECTION ONE "I BELIEVE" - "WE BELIEVE" n. 26 CHAPTER ONE MAN'S CAPACITY FOR GOD nn. 27-49 I. The Desire for God nn. 27-30 II. Ways of Coming to Know God nn. 31-35 III. The Knowledge of God According to the Church nn. 36-38 IV. How Can We Speak about God? nn.39-43 IN BRIEF nn. 44-49 CHAPTER TWO GOD COMES TO MEET MAN n. 50 Article 1 THE REVELATION OF GOD I. God Reveals His "Plan of Loving Goodness" nn. 51-53 II. The Stages of Revelation nn. 54-64 III. Christ Jesus -- "Mediator and Fullness of All Revelation" nn. 6567 IN BRIEF nn. 68-73 Article 2 THE TRANSMISSION OF DIVINE REVELATION n. 74 I. The Apostolic Tradition nn.75-79 II. The Relationship Between Tradition and Sacred Scripture nn. 80-83 III. The Interpretation of the Heritage of Faith nn. 84-95 IN BRIEF nn. 96-100 Article 3 SACRED SCRIPTURE I. Christ - The Unique Word of Sacred Scripture nn. 101-104 II. Inspiration and Truth of Sacred Scripture nn. 105-108 III. The Holy Spirit, Interpreter of Scripture nn. 109-119 IV. The Canon of Scripture nn. 120-130 V. Sacred Scripture in the Life of the Church nn. 131-133 IN BRIEF nn...
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