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 information about musicians who perform
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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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Exercise 1 1. Draw an E-R diagram for each of the following situations (if you believe that you need to make additional assumptions‚ clearly state them for each situation): a. A hospital has a large number of registered physicians. Attributes of PHYSICIAN include Physician_ID (the identifier) and Specialty. Patients are admitted to the hospital by physicians. Attributes of PATIENT include Patient__ID (the identifier) and Patient_Name. Any patient who is admitted must have exactly one admitting
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New Er Digram for BIOIn software engineering‚ an entity–relationship model (ER model) is a data model for describing the data or information aspects of a business domain or its process requirements‚ in an abstract way that lends itself to ultimately being implemented in a database such as a relational database. The main components of ER models are entities (things) and the relationships that can exist among them. Entity-relationship modeling was developed by Peter Chen and published in a 1976 paper
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National banking & delivery systems along with cultural & training challenges were evaluated too. Based on Iran governmental services constraints‚ we presented an appropriate architecture for large scale online shopping systems. Some of design phase diagrams are presented that could be useful for software developing companies. Index Terms—B2C‚ Electronic Commerce‚ Online Shopping System‚ SDLC Phases. I. INTRODUCTION As electronic services are dependent on many governmental and private organizations
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Becoming a ER doctor takes lot of time and hard work. I know that journey will be very long and I am willing to do it. To earn a bachelor’s degree there is no required major but there are few classes that needs to be taken in order to get into medical school. Especially science related courses. In order to get into medical school I need to take MCAT. Once I finish MCAT steps for becoming ER doctor includes: obtaining a Doctor of Medicine degree‚ obtaining a license to practice medicine‚ completing
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The doctor-patient relationship has always been the corner stone of health care delivery. In order to fully appreciate the impact MCOs brought on this relationship‚ one must first understand the doctor-patient relationship concept. The doctor–patient relationship has been and remains a keystone of care: the medium in which data are gathered‚ diagnoses and plans are made‚ compliance is accomplished‚ and healing‚ patient activation‚ and support are provided (Lipkin‚ 1995). Issues that have affected
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------------------------------------------------- Doctor–patient relationship The doctor–patient relationship is central to the practice of healthcare and is essential for the delivery of high-quality health care in the diagnosis and treatment of disease. The doctor–patient relationship forms one of the foundations of contemporary medical ethics. Most universities teach students from the beginning‚ even before they set foot in hospitals‚ to maintain a professional rapport with patients‚ uphold patients’ dignity‚ and respect
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Introduction: The concept of “doctor-patient confidentiality” derives from English common law and is codified in many states’ statutes. It is based on ethics‚ not law‚ and goes at least as far back as the Roman Hippocratic Oath taken by physicians. It is different from “doctor-patient privilege‚” which is a legal concept. Both‚ however‚ are called upon in legal matters to establish the extent by which ethical duties of confidentiality apply to legal privilege. Legal privilege involves the right to
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assumptions in a Credit Card Sale System are: 1. The Customer and the Retailer have an account in the same bank. 2. Instead of the grid through which all the banks are connected the payment is processed by the bank for simplicity. E-R Diagram Tables and Primary Keys Normalization Forms The three normalization forms are 1. First normal form 2. Second normal form 3. Third normal form First normal form First normal form states that there should be no repeating elements
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