Entity Relationship Diagram - ERD Database – is a large data repository that stores a shared collection of logically data. A database can be modeled as: A collection of entities and relationship among entities. What is Entity Relationship Diagram? An entity-relationship (ER) diagram is a specialized graphic diagram that illustrates the relationships between entities in a database‚ simply it illustrates the logical structure of databases. ER diagrams often use symbols to represent different types
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the driver turned down a side street and a nineteen-year-old militant boy named Gavrilo Princip who was involved in the bomb incident early stepped to the car’s window and shot both the archduke and his wife. The assassination obviously had a bad effect throughout Central Europe.
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and oneself. Abortion can also have deleterious effects on the mother’s health and well being. Many of the couples‚ mainly the mothers‚ that have an abortion tend to go into a state of depression known as Post-abortion syndrome. Negative effects on the mother’s body can also stem from using abortion methods‚ such as the use of RU 486‚ a controversial abortion pill; increased risk of breast cancer is another effect of abortions. Other side effects of abortion‚ from emotional scars to a detachment
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have one major department in which they are working on their degree. * Each graduate student has another‚ more senior graduate student (known as a student advisor) who advises him or her on what courses to take. * Design and draw an ER diagram that captures the information about the university. Use only the basic ER model here; that is‚ entities‚ relationships‚ and attributes. Be sure to indicate any key and participation constraints. Exercise 2. Notown Records has decided to store
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and Vietnam wars. The last American soldiers left in 1992 and these bases have since been converted into industrial and commercial estates‚ but prostitution still thrives because the women have not found alternative forms of employment. B. Causes of Prostitution 1) Poverty and unemployment has triggered the rapid spread of prostitution in the Philippines. It provides those involved in this profession a considerable amount of income to support their families as well as supply a steady flow
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take back towns. However‚ later crusades declined the papal prestige since they were not able to detain the Byzantines. The Crusades were never able to successfully accomplish their mission of taking back the Holy Land but brought many long-term effects that would modify the empire. The crusaders weakened the feudal nobility since they lost many of their lands to go on expeditions. The Byzantine power also decreased with the powerful attacks from the Crusades. Religious intolerance erupted with
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Behavior Diagrams Definition: Behavioral models describe the internal dynamic aspects of an information system that supports the business processes in an organization. During analysis‚ behavioral models describe what the internal logic of the processes is without specifying how the processes are to be implemented. Later‚ in the design and implementation phases‚ the detailed design of the operations contained in the object is fully specified. Use case diagrams are behavior diagrams used to describe
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School Students have been cheating for many of years. Cheating is a major problem in schools everywhere. Almost every single student has cheated in some way or will have cheated. Cheating in school can cause lack of learning. Cheating can also affect other students and other students can also cause a student to cheat. Cheating most occur in students who lack an effort in studying. Most students have adapted to cheating. Some students see cheating as good grades with less work involved. Cheating
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them liberal magazines and books OPENING OF THE PHIL TO WORLD COMMERCE Officially opened Manila on 1834 after reviewing different economic policies 1834- 1873 different Ports were opened: 1. Sual 2. Iloilo 3. Zamboanga 4. Cebu 5. Legazpi Effects: Stimulate vigorous economic activity in the colony that makes the life of the Filipino’s to prosper Introduction of modern methods of agriculture Improved means of transportation and communication that stimulate economic progress Emergence
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1.2. ACTIVITIES TIMING AND TOTAL FLOAT To determine timing of activities in the network diagram the following calculations were done for each node: Earliest Start-(ES)‚ Earliest Finish-(EF)‚ Latest Start-(LS) and Latest Finish-(LF). Field and Keller (1998‚ p. 191) ES and EF are found by using the forward pass through the network … from the unique project start node and ends at the unique project completion node. ES is the ending day for the previous node/activity‚ where more than one
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