The Normal Forms 3NF and BCNF Yunliang Jiang Housekeeping • HW2 due tonight – Upload a single PDF/DOC file to Compass • Stage 3 due tonight • Midterm tomorrow – During class time. Preview • • • • • • Normalization Solution: Normal Forms Introducing 3NF and BCNF 3NF Examples BCNF Normalization • Normalization is the process of efficiently organizing data in a database with two goals in mind • First goal: eliminate redundant data – for example‚ storing the same data in more than one table
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Homeostasis of BP and Heart Rate A normal blood pressure can be identified by having a systolic pressure of around 120 and a diastolic pressure of around 80. This value is expressed as "120/80". A normal heart rate is expressed as the amount of times it beats in a minute; a normal adult heart rate is between 60-100 beats per minute (BPM). There is a relation between these two measurements‚ but they are stimulated by several different circumstances. The blood pressure is mainly affected
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recognized is foreign exchange exposure which is directly related to foreign exchange rate. 1.1. Possible foreign exchange risk In order to have a comprehensive view regarding foreign exchange risk‚ this part will define as well as separate this exposure into clearer and smaller concepts. Firstly‚ it is highlighted to indicate that foreign exchange exposure possibly occurs as a result of the fluctuation of exchange rates‚ leading to negative effects on profitability‚ cash flows and other financial indicators
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What factors might contribute to a low or high growth rates in a country? There are three categories of factors that contribute to a low or high growth rates. These categories are the demand factor‚ the efficiency factor‚ and supply factors. Government spending or exports can lead to a higher to aggregate demand and higher economic growth. “Economic growth requires increases in total spending to realize the output gain made available by increased production capacity” (McConnell‚ 2012‚ p. 513)
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Rates of Reaction Coursework Aim: To find out how different concentrations of sodium thiosulphate (Na S2 O3) affects the speed of its reaction with Hydrochloric acid (HCL). Introduction When Sodium Thiosulphate and Hydrochloric acid react they produce a cloudy precipitate. Both of the chemicals are clear solutions and they react together to form a yellow precipitate of sulphur‚ the equation for this reaction is: Na2 S2 O3 + HCL‚ H2 O + NaCL + SO2 + S Sodium Thiosulphate + Hydrochloric
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5.0 Contents 8 5.1 Factor That Effect Exchange Rates in Long Run 8 5.2 Exchange rates in short run (A supply and demand Analysis) 10 5.3 Factor that determinant exchange rate 11 5.3.1 Shift the demand for domestic assets 11 5.4 Other Factors that effects exchange rates and its volatility 12 5.4.1 International financial crises 12 5.4.2 Speculators effect 12 5.4.3 Central bank intervention policy 13 5.2 The effects of exchange rate and volatility 14 5.2.1 International trade‚ export
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DIVORCE RATES Today’s society had increased the number of divorce‚ it is more than ever before. People choose divorce as an easy way to get rid of their simplest problems that may occur in a marriage. First‚ couples get married too young. Sometimes people get married just because they are expecting a baby. Couples get married thinking that their relationship will be like a fairy tale‚ like movies‚ but they do not realize that marriage leads with normal problems that appear in the journey
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In Saving Normal‚ Frances‚ who is the former chairman of the task force that organized the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders‚ warns readers that the DSM-5‚ offers an irresponsible set of proposals that will turn everyday stressors into mental illnesses. Outlining faddish syndromes of the past‚ Frances argues that whenever we freely label a set of human behaviors as a "disease‚" we lost a bit of our diversity and adjustability. Frances acknowledges that we all
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completely through the skin once every minute. The skin is the body’s largest organ of immunity. It is the body’s first line of defence‚ the boundary where self is designed from non-self‚ yet it is highly interactive with the environment. Anatomy of Normal Skin Approximately 50% of the body’s primary cells of immunity are housed in the skin at any minute. After puberty‚ these cells are matured in the
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one of the most significant sexual harassment cases in history. In 1994‚ 24 women who worked at Mitsubishi’s Normal‚ Illinois plant accused Mitsubishi of allowing or even fostering a culture of widespread sexual harassment. Then‚ in 1996‚ a class-action lawsuit was filed by the Equal Employment Opportunity Commission (EEOC)‚ this time on behalf of around 300 women who worked at the Normal plant. The male workers‚ who consisted of mainly American employees and managers‚ and Japanese managers‚ were
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