Database Systems Relational Database • Most common form of database • Uses tables consisting of rows (tuples) and columns (attributes) • Most tables contain a primary key that uniquely identifies each row in the table (No duplicates allowed) • Rows in one table may point to rows in another table through the use of a foreign key – it points to a primary key in another table. A table may have multiple foreign keys. • Tables are related to one another by their keys Example • Two tables are shown below
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famous: It was through his dad’s work as an equipment manager at a boy’s club that Ronaldo was first introduced to the game of soccer. By the time he was 10 years old‚ he was already recognized as a phenomenon—a kid who ate‚ slept and drank the game. "All he wanted to do as a boy was play football‚" his godfather‚ Fernao Sousa‚ recalled for British reporters‚ adding‚ "He loved the game so much he’d miss meals or escape out of his bedroom window with a ball when he was supposed to be doing his homework
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this unit you shall; Understand how organisations gather‚ analyse and use data Be able to explain the characteristics of “good” data Be able to select and use data to support business activities Be able to present data in an appropriate format for specific purposes LO1 – Understand how organisations use business information Assessment Criteria; P1‚ P2‚ M1 Managing information is an important activity in any organisation. Effective information management means using information to ensure
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Mengxiong Li English 205OL The Google Corporation Google has developed into the biggest search engine on the Internet‚ and it has already become the most familiar name to everyone nowadays. Most of us must have experienced its impeccable search engine in today’s Internet world. But how much do we know about Google? Google was founded in 1998 by Stanford computer science graduate students Larry Page and Sergey Brin who named the search engine they built “Google‚” which is a variation on the
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Synopsis: Google Inc. Google is a global technology leader focused on improving the ways people connect with information. Google maintains an index of websites and other content‚ and makes this information freely available to anyone with an Internet connection. Its automated search technology enables people to obtain nearly instant access to relevant information from its online index. The company’s innovations in web search and advertising have made its web site a top internet destination and
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Google Glass Technology moves with such rapid pace nowadays it is often difficult to keep up. There are so many new items out on such regular basis that we regularly see only a portion of these new items. But‚ every so often something new comes out that grabs the media’s attention and becomes the latest rave. And while a few of these “raves” are indeed impressive‚ most fade from public attention as quickly as they arrive. Google Glass is not one of those things‚ it has arrived and we will be
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Summary of Google SWOT analysis Strengths Opportunities • Google is number one search engine and has established a brand name‚ in which its users trust. • It’s dependable‚ reliable and fast. • Google has low operation cost as it uses low cost UNIX web servers for indexing millions of web pages across internet • Very little end user marketing is needed as the name itself is getting word by mouth publicity. • The Google interface is simple and it gives comprehensive results without confusing
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1. Describe several unique characteristics about Google and its business practices. There are several unique characteristics about Google and its business practices. Google gives away products to promote itself. Google also targets (through its use of its technological developments like‚ PageRank Algorithm‚ AdWords and AdSense.) the main interests of people wants. When people look at advertisements Google only pays sites that post pop-up ads for them only. 2. What is Google’s philosophy about
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Using search engines such as Google‚ "search engine hackers" can easily find exploitable targets and sensitive data. This article outlines some of the techniques used by hackers and discusses how to prevent your site from becoming a victim of this form of information leakage.Other Articles By Johnny Long. The Google search engine found at http://www.google.com/ offers many features‚ including language and document translation; web‚ image‚ newsgroups‚ catalog‚ and news searches; and more. These features
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October 05 2013 Winners and Losers of the 2008 Recession Were you affected by great recession? If your answer was “no’’ you must have been one of the winners of the recession‚ such as homebuyers‚ banks or the owner of the major corporations. In other words‚ most of the losers lost their job and money and even sold their homes at the wrong time. During the great recession‚ there are many winners and losers‚ so‚ which side were you on? The winning side or the losing side? Homebuyers were one of
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