- 1 - Database Security *) GÜNTHER PERNUL Institut für Angewandte Informatik und Informationssysteme Abteilung für Information Engineering Universität Wien Vienna‚ Austria 1. Introduction 1.1 The Relational Data Model Revisited 1.2 The Vocabulary of Security and Major DB Security Threats 2. Database Security Models 2.1 Discretionary Security Models 2.2 Mandatory Security Models 2.3 Adapted Mandatory Access Control Model 2.4 Personal Knowledge Approach 2.5 Clark and Wilson Model 2
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College of Business Hospitality & Tourism Studies Department of Computer Science & Information System CIN623 Database Design & Programming Final Examination Trimester 1 – 2011 Date: Duration:3 hours plus 10 minutes INSTRUCTION TO STUDENTS 1. You are allowed ten minutes extra reading time during which you are not to write 2. Write all answers to each question in the Answer Booklet. 3. Write your Student ID number at the top of each attached sheet. 4. Insert all written foolscaps in their correct sequence
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CHAPTER 4 RELATIONAL DATABASES SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 4.1 Contrast the logical and the physical view of data and discuss why separate views are necessary in database applications. Describe which perspective is most useful for each of the following employees: a programmer‚ a manager‚ and an internal auditor. How will understanding logical data structures assist you when designing and using database systems?</para></question><question
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An enormous amount of research for specific cures is based on the data that is collected from health care organizations. There are also government organizations that will pave the road for programmers to be able to develop the framework of the database. The data that is collected from an electronic medical record system is imperative in supporting new knowledge of the manner in which a person’s health can be prolonged‚ or even saved. This memo is to provide you and your company an overview on
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com is developing a system to gather and keep massive amounts of intimate information about its millions of shoppers‚ including their religion‚ sexual orientation‚ ethnicity and income. The database‚ which would combine information disclosed voluntarily by customers with facts gleaned from public databases‚ conceivably would give Amazon a larger or more detailed profile of its customers than any other retailer. The Seattle-based company‚ with 59 million active customers‚ said it has no immediate
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ECO FRIENDLY DATABASE Varun Chauhan MBA Student‚ Delhi Institute of Advanced Studies Pranav Kharbanda MBA Student‚ Delhi Institute of Advanced Studies Vindhya Chhabra B.Tech Student‚ Delhi Technical University (IT) Sumit Jain MBA Student‚ Delhi Institute of Advanced Studies ECO FRIENDLY DATABASE ABSTRACT 2. GREEN DATABASE Database should utilize several modern hardware capabilities. The purpose
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ENG-101 27 September 2013 Mini- Ethnography Assignment #2 I recently sat in on Mrs. Czerneks upper history level class on Friday September 27. When I first entered the class room at 9:45‚ I was shocked to see 6 students already here 15 minutes early. The 6 students that were in the room were sitting down so I decided to note their desk selection. Two of the students were in the back‚ the other two were in the “T” section in front of the teacher and that last two were all the way to the right
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Intro to Database assignment The purpose of this assignment is to : • Give evidence of your research skills o Use as many resources as you need o Attribute sources o Do not “copy and paste”! o Read and re-write in your own words • Allow critical analysis of your current report/essay writing skills • Identify areas where improvement may be advisable • Give you a better grasp of databases as a an area of study • Allow you to research /work collaboratively but still submit a unique piece
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Mini Arguments The sarcastic tone Gabriel Garcia Marquez exploits in the story of the “spider woman‚” a rebellious “child” who had “sneaked” out of her “parents house” to attend a “dance;” after having danced all night “without permission” she was on her way “back” through the “woods” when a frightening “thunderclap” split the sky into “two” producing a “lightning bolt” that had transformed her into a “spider” described as a “frightful tarantula the size of a ram” and with a “head of a sad maiden”
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The entity-relationship model (or ER model) is a way of graphically representing the logical relationships of entities (or objects) in order to create a database. entity type is a collection of entity instances sharing similar properties Strong Entity Vs Weak Entity An entity set that does not have sufficient attributes to form a primary key is termed as a weak entity set. An entity set that has a primary key is termed as strong entity set. A weak entity is existence dependent. That is the
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