VALLIAMMAI ENGINEERING COLLEGE III SEMESTER - B.E – COMPUTER SCIENCE AND ENGINEERING QUESTION BANK - CS6302 DATABASE MANAGEMENT SYSTEMS UNIT I 1. What are the disadvantages of file processing system? 2. Explain the basic structure of a relational database with an example. 3. What do you mean by weak entity set? 4. Give example for one to one and one to many relationships. 5. What is the need of normalization? 6. Write a note on functional dependencies. 7. Who is a DBA? What are the responsibilities
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Shelbey Safford HSMV 1160 Module 6 assignment 4 April 17‚ 2011 4. Methadone maintenance is a controversial treatment model for heroin and other narcotic addiction. Write a one page paper either for or against methadone maintenance. Be able to justify your position based upon textbook material‚ lecture notes‚ and outside research. When it comes to heroin‚ I am for complete abstinence. Methadone is a medication admitted to a person to minimize the discomfort of heroin withdrawal symptoms
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Chapter 1: Database Systems Summary • Data are raw facts. Information is the result of processing data to reveal their meaning. Accurate‚ relavant and timely information is the key to good decision making and good decision making is the key to organizational survival in a global environment • Data are usually stored in a database. To implement a database and manage its contents you need a database management system (DBMS). DBMS serves as an intermediary between the user and the
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DNA databases In 1992‚ The United States‚ Federal Bureau of Investigation funded the Combined DNA Index System (CODIS). It is a computer system that stores DNA profiles created by federal‚ state‚ and local crime laboratories in the United States‚ with the ability to search the database in its entirety; it also helps agencies identify suspects of crime. The origin of CODIS is attributed to the Scientific Working groups (SWG) that began in the late 80’s. SWG was backed by the FBI Laboratory which
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acceptance (with penalty and marks reduction): 11th August 2014 Assignment Topic Consider the following scenario. Dinuki Hire firm is a small family business that stocks general equipment such as garden tools‚ car maintenance tools etc. for hiring to its customers. A database system is required to simplify management of the business and to provide some financial information and maintaining stocks. Equipment’s are classified under various categories. Equipment’s are of different brands within
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1. SELECT e.ename‚ e.deptno‚ d.dname‚ d.deptno FROM dept d LEFT OUTER JOIN emp e ON d.deptno = e.deptno ORDER BY d.deptno; SQL> SELECT e.ename‚ e.deptno‚ d.dname‚ d.deptno 2 FROM dept d 3 LEFT OUTER JOIN emp e 4 ON d.deptno = e.deptno 5 ORDER BY d.deptno; ENAME DEPTNO DNAME DEPTNO ---------- ---------- -------------- ---------- MILLER 10 ACCOUNTING 10 KING 10 ACCOUNTING
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There are four different types of database-system users‚ differentiated by the way they expect to interact with the system. Different types of user interfaces have been designed for the different types of users. Naive users are unsophisticated users who interact with the system by invoking one of the application programs that have been written previously. For example‚ a bank teller who needs to transfer $50 from account A to account B invokes a program called transfer. This program asks the
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2018 Toyota Tundra is a pickup truck manufactured in the United States specifically‚ Toyota’s San Antonio‚ Texas‚ factory 3. How does the aesthetic design reflect the technology of the vehicle? These types of Pickup trucks are generally used by people who have a labor intensive job. So‚ it is important for them that the vehicle can handle the demands of their job and also their own personal demands after work. After a long day on the job‚ we would need a full-size truck with a spacious‚ premium interior
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The Fundamentals of Database Design To end up with a good ‘relational database’ application‚ you need to ask: Do I actually need one? If so‚ how far do you want to take it? By this I mean‚ is this to be a simple database to store information about only one‚ or very few‚ related entities (i.e. a list of people who attended a certain event‚ and how they came to hear about the event) which are not likely to change; or a permanent and well used application with several different entities (i.e.
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Project Proposal Template 1: Business situation Business Name: The Queue Business description: The Queue is a company that provides service to customers by helping them buy products. Customers can order not only hot products that spent much time to queue‚ but also simple products for helping customers save their times. For example: Concert tickets‚ Garrett popcorn‚ Starbucks’ buy one free one promotion‚ or Jamsai books at the national book fair. Customers can contact with our company by using
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