Designing Databases: Building a Conceptual Data Model [1] Fundamentals of Databases Alvaro A A Fernandes School of Computer Science University of Manchester Acknowledgements 2 These slides are minor adaptaAons of material authored and made available to instructors by Ramez Elmasri
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How to Help the Environment In the world today‚ 4 trees are cut down every passing second; 360 every minute; 19‚200 every hour; 460‚800 every day; and over 11 billion every year. Unfortunately‚ Trees are constantly neglected and are cut down for fuel‚ ships‚ houses‚ etc. Because of this‚ Earth along with mankind is suffering from massive deforestations‚ which leads to species extinction‚ global warming‚ soil degradation‚ and loss of vaccines/medicine and biodiversity. To prevent this from happening
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Subject : Basic Software Development Life Cycle. Introduction: A software development process is a structure imposed on the development of a software product. Synonyms include software life cycle and software process. There are several models for such processes‚ each describing approaches to a variety of tasks or activities that take place during the process. Software Development Life Cycle The Software Development Life Cycle is a step-by-step process involved in the development of a software product
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A very good morning to our school principal‚ Tuan Haji‚ senior assistant principal‚ teachers and the members of the floor. As the president of the English Society I am going to give a speech on ’How to Help the Aged’. First and foremost‚ we should be kind to elderly. At home‚ we can help them by reading them a newspaper‚ they might not see the words because sometimes‚ their eyesight not clear anymore because of the age. Besides‚ we also can serve them food during the meal. Next‚ when we are using
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System development life cycle models Waterfall Model The waterfall model is the simplest and most popular system development life cycle model for software engineering. In this model‚ each phase is organized in linear and sequential order. Once a phase is completed‚ one can then proceed to the development of the next phase. It must be noted however‚ that once a stage is completed‚ there is no turning back. The stages in the waterfall life cycle modal are as follows: • Requirements Analysis •
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command? Selected Answer: SELECT HireDate‚ COUNT(*) FROM EMPLOYEE WHERE Salary < 30000; Question 9 5 of 5 points Because SQL stored procedures allow and encourage code sharing among developers‚ stored procedures give database application developers the advantages of less work‚ standardized processing‚ and specialization among developers. Selected Answer: True Question 10 5 of 5 points The SQL command used to create a virtual table is ________.
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This is just an example of question that you could answer based on what we studied in class. Because it is given to you‚ you won’t be able to use it for the exams but I hope it will help you to understand better what you are expected to deliver. Bear in mind (=remember) that you don’t have to limit yourself to what we do in the class this year but that you are free to choose what you want to deal with providing it relates to one of the four notions. Don’t hesitate to email me your ideas before
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The topic of my observation was children ages 2-5 and how they play. I’ve found through research and observation that play is affected by each child’s individual development. Play has norms and structures that most children follow‚ but these guidelines are moldable based on the circumstances encompassing each child’s development. In the PowerPoint slides from class‚ Berger (2014) states that development is multi-cultural‚ multi-directional‚ multi-contextual‚ and plastic. Style of attachment‚ ethnic
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they are positive or negative because of the fact that they are not aware of the consequences. Parents need to be more attentive in their child’s life. They need to pay attention to what their child is either watching or listening to. They need limit how much a child spends watching television‚ so that they would be able to focus more on their school work and studies. Positive parenting role models are in the best interest of child in that they would limit the expose children have to violent acts. It
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growth and development before birth‚ one of these factors is drinking during pregnancy. This can cause foetal alcohol spectrum disorders (FASDs). This is a group of conditions that can occur in a person whose mother drank alcohol during pregnancy. These effects can include physical problems with behaviour and learning. FASDs are caused by a woman drinking alcohol during pregnancy; alcohol in the mother’s blood passes to the baby through the umbilical cord. When a woman drinks alcohol so does her baby
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