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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www.Vidyarthiplus.com VIDYARTHIPLUS - ANNA UNIVERSITY ONLINE STUDENTS COMMUNITY 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
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Security Issues with Databases by Jing Ji David Maccarone Sheng Mao Security Issues with Databases 1. Current state of database security A database is a system that is specialized to manage data in a computer application system. Data has many forms‚ such as text‚ digital‚ symbols‚ graphics‚ images and sound. The database systems are integral components of current and future command‚ communication‚ control and intelligence information systems. (Lunt‚ 1992‚ p. 253) Databases are
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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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Advantages of Database Management Systems Database Management System (DBMS) aids in storage‚ control‚ manipulation and retrieval of data. This article lists the advantages of database management systems. Database is a software program‚ used to store‚ delete‚ update and retrieve data. A database can be limited to a single desktop computer or can be stored in large server machines‚ like the IBM Mainframe. There are various database management systems available in the market. Some of them are Sybase
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Download at www.eBook12.Com Download at www.eBook12.Com This page intentionally left blank Download at www.eBook12.Com Introduction to Database Management Mark L. Gillenson‚ Paulraj Ponniah‚ Alex Kriegel‚ Boris M. Trukhnov‚ Allen G. Taylor‚ and Gavin Powell with Frank Miller Download at www.eBook12.Com Credits PUBLISHER Anne Smith ACQUISITIONS EDITOR Lois Ann Freier MARKETING MANAGER Jennifer Slomack SENIOR EDITORIAL ASSISTANT Tiara Kelly PRODUCTION MANAGER Kelly Tavares PRODUCTION
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Amazon strategies to manage its inventory Amazon .com called itself "Earths Biggest Bookstore” because it has been ranked as the best consumer e-business. It sells books‚ music over the internet. From both market and supply chain management point of views‚ Amazon has some challenges and strengths. Managing inventory is one of the company opportunities to overcome its financial barriers regarding the warehouses and shipping costs. Amazon follows some strategies to manage its inventories. It had the
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differentiators. As progressive technology advance‚ it enhances Amazon market and allows Amazon to be lauded for its recommendations engine‚ and subsequently‚ contextual purchasing capabilities‚ and of course the shopping experiences. All these factors are crucial to keep their customers coming back for more. A new research from Forrester indicates shows that 30 percent of consumers now begin their buying process researching on Amazon as opposed to Google‚ indicating Amazon’s authority as an all-in-one
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Chapter 1: Database Systems TRUE/FALSE 1. Data and information are essentially the same thing. ANS: F PTS: 1 REF: 5 2. Data processing can be as simple as organizing data to reveal patterns. ANS: T PTS: 1 REF: 6 3. We are now said to be entering the “knowledge age.” ANS: T PTS: 1 REF: 6 4. Information implies familiarity‚ awareness‚ and understanding knowledge as it applies to an environment. ANS: F PTS: 1 REF: 6 5. Data constitute the building blocks of information
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Amazon is the world’s biggest e-commerce retailer. They were founded in 1994‚ being the first online retailer to secure one million customers in 1997. They are based out of Seattle‚ Washington but have locations in 18 U.S states and 14 international locations. They currently have over 88‚000 employees and are still growing. Amazon sells pretty much anything you want on their website‚ from DVDs and video games to shoes and sports equipment. When Jeff Bezos‚ founder of Amazon.com‚ started Amazon all
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