Database Concepts‚ 4e (Kroenke) Chapter 1 Getting Started 1) The purpose of a database is to help people keep track of things. Answer: TRUE Diff: 1 Page Ref: 4 2) A possible problem with keeping data in lists is that if you delete a row of data from a list you may also delete some data items that you want to keep. Answer: TRUE Diff: 1 Page Ref: 4 3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list‚ other occurrences
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DATABASE A database is an organized collection of data. The data is typically organized to model aspects of reality in a way that supports processes requiring information. (1) Often abbreviated DB‚ a database is basically a collection of information organized in such a way that a computer program can quickly select desired pieces of data. You can think of a database as an electronic filing system. Traditional databases are organized by fields‚ records‚ and files. A field is a single piece of information;
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Database Design Process Database Life Cycle Key points Database design must reflect the information system of which the database is a part Information systems undergo evaluation and revision within a framework known as the Systems Development Life Cycle (SDLC) Databases also undergo evaluation and revision within a framework known as the Database Life Cycle (DBLC) There are two general design strategies exist: top-down vs. bottom-up design centralized vs. decentralized design 2
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Relational Database Design By Paul Litwin This paper was part of a presentation at a Microsoft TechEd conference in the mid-1990s. It was adapted from Microsoft Access 2 Developer’s Handbook‚ Sybex 1994‚ by Ken Getz‚ Paul Litwin and Greg Reddick. Reprinted with permission of the publisher. While the paper uses Microsoft Access (version 2) for the examples‚ the vast majority of the discussion applies to any database and holds up pretty well over 11 years after it was written. Overview Database design
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University of Greenwich Database assignment2 Iago Castro Cuna Student ID: 000628811 Course ID : COMP1450 DATABASE ASSIGNMENT2 Iago Castro Cuna Table of Contents 1 INTRODUCTION ..................................................................................................................... 4 2 CREATING THE DATABASE TABLES ....................................................................................... 5 2.1 Creating the company .........................................
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How does an organization create customer value? Marketing experts Don Peppers and Martha Rogers said: “Without customers‚ you don’t have a business.” It is such a simple‚ nevertheless‚ a scary thought. We live in a world of consumerism‚ in which the customer’s wants and desires greatly exceed their basic needs. Even though many see this concept as a threat to modern world society‚ it has created the extremely competitive marketplace for businesses. The companies are competing everyday to win over
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Advantage: How to Identify and Fulfill Customer Needs Karl Albrecht‚ Lawrence J. Bradford. Homewood‚ Ill.: Dow Jones-Irwin HF5415.5 .A43 1990 Summary: According to this book‚ to know your customer is the basis thing for a success business. A good way to learn to do something better is to observe in action those who do it very well. The company who know their customers better than anyone else has more chance to success. In order to know your customers first of all is to know what a customer is. There
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properties‚ Starwood has there a comparatively lower percentage‚ around 60%‚ and instead claims a stronger international presence that returns around 35% of its total room revenues. This difference has been seen as one of the reasons for Marriott to buy Starwood‚ as we are going to explain later. The data on brands divided by business segment confirm also that Starwood proves quite weak compared to Marriott in the limited or select service category. In conclusion‚ the study identifies which company
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2007 server‚ there are always two copies of each change to the database: the change written to the page (or series of pages) in RAM‚ and the log record of those changes in the transaction logs. If the information is lost in RAM‚ if it has been written to a transaction log‚ it can be recovered and written to the database. This graph shows the types of backups and its effects on the files/transaction logs. Type Copies
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and reliable customer service of these businesses and the importance of customer service in different businesses. Sainsbury’s: 1. Online shopping Sainsbury’s provides online service to the customer so the customer can do online shopping on the internet. Sainsbury’s also provide delivery service to the customers who do online shopping. Sainsbury’s will make sure all the products delivered on time to make the customer feel happy. This is good for the customer because the customer don’t need to
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