and each division is run by only one employee. The answers to Problem 1 (all parts) are included in Figure P4.1. Figure P4.1 Problem 1 ERD Solution As you discuss the ERD shown in Figure P4.1‚ note that this design reflects several useful features that become especially important when the design is implemented. For example: The ASSIGN entity is shown to be optional to the PROJECT. This decision makes sense from a practical perspective‚ because it lets you create a new project record without
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The Generals In my personal opinion‚ I think that the Generals assemblage was a great success. Many websites and a book that I have looked at said that the statue gives off a humorous feel than serious. Most serious sculptures would only depict one rider on a steed‚ whereas the Generals has two men (one being our country’s Founding Father and the other Simón Bolívar‚ the political and military leader of Venezuela). It is also to be noted that the way the horse is depicted in the statue--it is very
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179 19 SCHEMA REFINEMENT AND NORMAL FORMS 189 20 PHYSICAL DATABASE DESIGN AND TUNING 204 21 SECURITY 215 PREFACE It is not every question that deserves an answer. Publius Syrus‚ 42 B.C. I hope that most of the questions in this book deserve an answer. The set of questions is unusually extensive‚ and is designed to reinforce and deepen students’ understanding of the concepts covered in each chapter. There is a strong emphasis on quantitative and problem-solving type exercises
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ACTIVITY DIAGRAMS IN UML Activity Diagrams WHAT IS AN ACTIVITY DIAGRAM? Activity diagrams consist of activities‚ states and transitions between activities and states. Activity diagrams combine ideas from event diagrams‚ Petri nets and state modeling techniques An activity diagram is a special case of state charts in which most or all states are activity states and most or all transitions are triggered by the completion of activities in the source state. What is an Activity Diagram? The
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such as General Motor? Visit the company’s South African website at http://www.gmsa.co.za and use the information obtainable from it to formulate your answer. At the business unit level the strategic issues of General Motors are both practical co-ordination of operating units and about developing and sustaining a competitive advantage for the cars and industry that they provide. The marketing manager’s role is to formulate and implement strategies that deal with the positioning: General Motors has
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Simple Diffusion Activity 1: Simulating Simple diffusion 1. What is the molecular weight of Na+? 22.99 or 23 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through?50‚100‚ 200 4. Which materials diffused from the left beaker to the right beaker? Urea‚ NaCl and glucose diffused 5. Which did not? Why? Albumin was too large to diffuse into the right beaker. Activity 2: Simulating Dialysis 6. What happens to the urea concentration
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–Evaluates as if written like if (count == 0) average = 0 else average = sum /count average = (count == 0)? 0 : sum / count Arithmetic Expressions: Operand Evaluation Order Operand evaluation order •Variables: fetch the value from memory •Constants: sometimes a fetch from memory; sometimes the constant is in the machine language instruction •Parenthesized expressions: evaluate all operands and operators first •The most interesting case is when an operand is a
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Key Idea/ value What is Raimi saying? Example from the film Technique Explanation The obsessive urge to position and power (Value whatever it takes to get where you want to go What you are willing to do/ devalue) At the films outset Hank appears to have succeeded where his father failed- he has a wife who loves him‚ the respect of his peers and a stable job. However‚ his desire for a better life for his family without the everyday money worries characteristic of the time period. The things
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or the subarachnoid space surrounding the brain. These CVAs are called hemorrhagic strokes. Both types of vascular damage—clots and ruptured vessels—can also occur in the spinal cord‚ and neurologists often call these spinal cord strokes. The simple term stroke‚ however‚ generally refers to vascular damage to the brain. Ischemic strokes typically give specific (focal)‚ painless neurological symptoms. Common stroke symptoms include: Numbness or weakness on one side of the body Confusion
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When you become a young adult‚ life is never as simple as it used to be. Back in your single-digit ages‚ you have feelings of elation and excitement when holding a crisp ten-dollar bill in your hand. Today‚ it is replaced by discomfort and uneasiness when you find out it’s the only bill you have in your empty wallet. The feeling of enlightenment when learning something new is replaced by irritation when you ask yourself why you didn’t learn it sooner. A mission most children wish to pursue is the
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