91.3902 Database Systems Assignment #1 1. Discuss the role of a high-level data model in the database design process. High-level data models assist in conceptual design and helps express data requirements of the users and includes detailed descriptions of the entity types‚ relationships‚ and constraints. The high-level data model is also used as a reference to ensure that all users’ data requirements are met and that the requirements do not include conflicts. 2. List the various
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Database Management Systems I work part time in a marketing research organization‚ which deals with research in the pharmaceutical industry. The total function of this department is to bring out a market research report‚ every month. This report is circulated to the pharmaceutical companies‚ and contains information on the sales of various drugs in the categorized geographical areas of the nation. An important stage in preparation of this report is giving a numeric code to the drugs prescribed
Free Programming language Computer Object-oriented programming
Database System Versus File System Consider part of a savings-bank enterprise that keeps information about all customers and savings accounts. One way to keep the information on a computer is to store it in system files. To allow users to manipulate the information‚ the system has a number of application programs that manipulate the files including • A program to debit or credit an account • A program to add new account • A program to find the balance of an account • A program to generate
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Relational Database System SQL Analysis Paper In this section I learned that SQL can input a lot of information into Access for you. I have taken some SQL courses before and still have not learned all of these commands. I can see why people take full degrees on just programming. Another thing I saw was SQL could do a lot of damage to Access. All you would have to do is write a script that could change a lot of information. During this assignment I learned “SQL (pronounced "ess-que-el") stands
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STELLA MARIS COLLEGE - DEPARTMENT OF COMPUTER SCIENCE DB34 - Database Management Systems UNIT I : Advantages and Components of a Database Management Systems - Feasibility Study - Class Diagrams - Data Types –Architecture- Events - Normal Forms - Integrity – EER model - Converting Class Diagrams to Normalized Tables - Data Dictionary. UNIT II : Query Basics - Computation Using Queries - Subtotals and GROUP BY Command - Queries with Multiple Tables - Subqueries - Joins - DDL & DML - Testing
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Database Comparison Paper Tania Hillard Database Management / DBM 502 Pamela Hurd June 19‚ 2006 Introduction This paper will compare and contrast four different types of database software. The database software that will discuss is the Microsoft Access‚ SQL‚ DB2‚ and Oracle. A database is the most vital system for a company as it stores mission critical information. The continual failure of a company’s database system can only lead to the demise of the organization - companies cannot
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2. Why was the consolidated watch list created? What are the benefits of the list? ANSWER: In the aftermath of the 9-11 attacks‚ both critics and defenders of the information systems employed by the US intelligence community became concerned on how to prevent future terrorist incidents. Then a database of suspected terrorist known as the consolidated watch list was born. It is created in order to maintain separate list about terrorist and share relevant information concerning the individuals on
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Stratford University Database Security (SOF620) Professor: Godson Chukwuma Term Paper Assignment Submitted by Rafik Abdelhamid Osmane Top ten threats in Database security: 1. Excessive Privilege Abuse 2. Legitimate Privilege Abuse 3. Privilege Elevation 4. Database Platform Vulnerabilities 5. SQL Injection 6. Weak Audit Trail 7. Denial of Service 8. Database Communication Protocol Vulnerabilities 9. Weak Authentication 10. Backup Data Exposure The common
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SIMPLE SALES AND INVENTORY DATABASE SYSTEM FOR SMALL AND MEDIUM ENTERPRISE S.Y.2013-2013 A Thesis Presented to The Faculty of the College of Industrial Technology and Engineering Cebu Technological University Barili Campus-Cagay‚Barili‚Cebu In Partial Fulfillment of the Requirements for the Degree Bachelor of Science in Industrial Technology Aliño‚Clyde Montemayor ‚Analyn Trasmonte‚ Vicente Hermosa‚Airev Carreon‚Juan Encabo‚Christopher Alquizalas‚Jhon Renan Alcaya
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Database Design Paper “A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store large amounts of records well‚ but be accessed easily. In addition‚ new information and changes should also be fairly easy to input.” (tech-faq.com); to ensure usefulness over the long-term‚ databases should be built with high data integrity and the ability to recover data if the hardware fails. Information that
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