Chapter 4 The Enhanced E-R Model and Business Rules Chapter Objectives The purpose of this chapter is to present some important extensions to the E-R model (described in Chapter 3) that are useful in capturing additional business meaning. In particular we describe two types of extensions to the E-R model. The enhanced entity-relationship (EER) model includes constructs for supertype/subtype relationships. The inclusion of new notation for business rules allows the designer to capture
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Are the Filipinos Ready for K to12? “We need to add two years to our basic education. Those who can afford to pay up to fourteen years of schooling before university. Thus‚ their children are getting into the best universities and the best jobs after graduation. I want at least 12 years for our public school children to give them an even chance at succeeding.” – President Benigno S. Aquino III This is part of President Benigno "NoyNoy" Aquino III’s Educational Reform Program. The P-Noy
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J.R.R Tolkien a Wizard The Hobbit and the trilogy‚ The Lord of the Rings‚ are famous books written by J.R.R. Tolkien and have inspired and sparked the minds of readers for generations. Even though J.R.R. Tolkien is deceased‚ his legend still lives on. Monsters‚ dragons‚ Orcs‚ Hobbits‚ and dwarves are just a few of the magical creatures in his fantastical stories. Creating creatures and the ingenuity to bring them to life on paper was a skill Tolkien certainly excelled in. Today‚ J.R.R Tolkien is
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1. What is an Entity Relationship Diagram? An entity relationship diagram is a graphical representation of an organisation’s data storage requirements. Entity relationship diagrams are abstractions of the real world which simplify the problem to be solved while retaining its essential features. Entity relationship diagrams are used to: identify the data that must be captured‚ stored and retrieved in order to support the business activities performed by an organisation; and identify the data required
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Educating Rita is a comical play written by Willy Russell in 1982. The play is set in the 1970s where social issues revolving around traditional family values and the roles of men and women are starting to change. The play is based around Rita White who is dissatisfied with her life and wants to transform herself. Throughout the play Rita start to change and realise that education cannot solve everything. Rita is a twenty six year old‚ uneducated Liverpool hairdresser. She has decided to enrol on
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Fate is defined as a force‚ principle or power that predetermines events‚ it is the inevitable events that are destined by this force. Romeo and Juliet’s fates were intertwined from the moment of their birth‚ families driven by hate pushing two young lovers together. At their impressionable age‚ love can seem like the only aspect of life. Having overtaken their thoughts and lives. How could they have denied each other the passion they felt? If fate is real then there was nothing that anyone could
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is a patient that is on tranquilizers‚ and he has a desire for perfection. He spends most his time reading dictionaries and encyclopedias which enables him in his mind to speak without any mistakes. Prot is to be said from another planet‚ K-Pax. The evidence that is supporting his statement would be numerous events in the movie. First‚ he gave an entire map of his solar system and the exact coordinates. It was an amazing discovery that no other astronomer has yet discovered in our
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Nikki Redden Honors British Literature Mrs. Svoboda 9 April 2014 Biography of Ursula K. Le Guin Ursula K. Le Guin was born Ursula Kroeber in Berkeley‚ California‚ on October 21‚ 1929. Her mother‚ Theodora Krackaw Kroeber‚ had an advanced degree in psychology and was a well-known writer for her narratives: Ishi in Two Worlds in 1961 and Ishi‚ Last of His Tribe in 1964. Le Guin’s Father‚ Alfred Kroeber‚ was a distinguished anthropologist for his work with tribes of Native Americans indigenous
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A regular day in the Pre-K classroom begins with the children having free play‚ in any area of the class. This morning‚ some children played in the kitchen area‚ where four boys dressed up as construction workers or fighter fighters‚ while pretending to have breakfast. Others played in the block area with dinosaur figures‚ while others were either doing art on the tables‚ or were playing with magnetic blocks in the circle time area. Today‚ the children seem rowdy‚ as they ran and screamed across
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Carolina (A+E)‚ James K. Polk moved to Columbia‚ Tennessee‚ at age 11 (Britannica). He graduated with honors from the University of North Carolina in 1818 (White House). He passed the bar exam in 1920 and opened a law practice in Columbia. Polk entered politics in 1823‚ when he served in the Tennessee State Legislature. He was elected to the House of Representatives in 1825 (A+E). He was part of the House of Representatives for 14 years and was speaker for 4 of those years. James K. Polk was America’s
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