Exercises 9 address driver-id person name owns license model year car report-number location date driver participated accident damage-amount Figure 2.1 E-R diagram for a Car-insurance company. Exercises 2.1 Explain the distinctions among the terms primary key‚ candidate key‚ and superkey. Answer: A superkey is a set of one or more attributes that‚ taken collectively‚ allows us to identify uniquely an entity in the entity set. A superkey may contain extraneous attributes
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1.Know the difference between the Medical and Social models of disability. 1.1 Describe the Medical Model of disability. The Medical Model sees disabled people as the problem. They need to be adapted to fit into the world as it is. This approach is based on a belief that the difficulties associated with the disability should be borne wholly by the disabled person‚ and that the disabled person should make extra effort to ensure that they do not inconvenience anyone else. If this is not possible
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Title: Using Compartmental models to predict hospital bed occupancy Abstract The use of acute care hospitals is a significant factor in the increasing cost of health care in many developed countries. The modelling of hospital beds should lead to better decision-making in relation to this expensive resource. The average length of stay is inappropriate for such modelling. Millard and others have shown that compartmental models can be used for bed modelling. These models are plausible and easily
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ECONOMICS Application of Logit Model in Personal Credit Ranking Econometrics Term Project Supervisor: Dr. Le Cong Tru Class 19 – Group 3 – Member list: Nguyen Duy Chinh Le Minh Tien Dinh Thi Tan Hong Nguyen Hung April‚ 2013 Abstract Personal credit ranking‚ a new emerged field in banking‚ has been given the expectation to growth in the next few years. Although various ranking methods have existed for years‚ it is needed to have credit ranking models for this purpose. From articles
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The invention that has changed the American way of life since the early 20th century is the car. The Model T has been around since 1910 and was invented by the genius Henry Ford. Henry was good at making mechanical things and he created a convenient way to get around. It changed the way that we do things like go to work. Before the making of the car was out‚ it took people really long to get to work because they didn’t have a form of fast transportation. Once the invention was on the market it allowed
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did the Titanic sink? well the Titanic slipped into the north Atlantic after hitting an iceberg. It hit the iceberg because when the iceberg was like 3 cm away the two look out crew members did not see the iceberg because it was late at night and it was dark. yes the Titanic did pass the iceberg but they thought they were pass the iceberg so they keep going straight but then the end of the Titanic hit the iceberg and they stopped right and that is were it sunk. The amounts
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What was the New Model Army and how was it different to earlier armies? The New Model Army was created by Parliament in February 1645. This army was a military force based on a person’s ability rather than position in society. One of the leading officers in the New Model Army had been a butcher. This removal of social obstacle meant that the New Model Army was open to new ideas as social class meant nothing. It was a force based mainly on lightly armed cavalry. These cavalry soldiers wore
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innovative and interesting ideas are being shared. I once had to lead a meeting about a CfA project‚ and due to interesting discussions‚ the meeting took 30 minutes‚ while it was supposed to be 15 minutes at maximum. Below is a section about my leadership models‚ and how I demonstrate their traits when
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know it‚ I always try to write on the principle of the iceberg. There is seven-eighths of it underwater for every part that shows.” Ernest Hemingway is known for using this unique style of writing‚ in which he presents the story in a way that something as simple as the scenery conceals a deeper meaning. Hemingway’s famous short stories “A Canary for One” and “Hills Like White Elephants” are two perfect examples that display Hemingway’s Iceberg Theory at it’s best. To begin‚ “A Canary for One” is
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to keep us sane. Recall of memory refers to the re-accessing of information from the past. Short-term and long-term memory. Working memory refers to how we manipulate the information that stored in the short-term memory. According to Baddeley’s model of working memory‚ working memory is composed of three parts: 1) the central executive is responsible for attention‚ the control of action‚ and problem solving. Children under 4 have a limitation in the memory storage capacity. As they grow older
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