A flat file database describes any of various means to encode a database model (most commonly a table) as a single file. Example of a flat file model A flat file can be a plain text file‚ usually containing one record per line‚ or it can be a binary file. Within such a record‚ the singlefields can be separated by delimiters such as comma or tab characters‚ or may have a fixed length. In the latter case‚ short values may be padded with space characters. Extra formatting may be needed to avoid delimiter
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Case Study Case 2.1 Hacking into Harvard The case “Hacking into Harvard” involves the applicants of some of the nation’s most prestigious MBA programs‚ who thought they had a chance to find out sooner what admission decisions the business schools made in their case. On Businessweek Online message board they saw instructions left by an anonymous hacker on how to get into schools databases and find out the decisions made. It was not hard – all schools used the same application software from Apply
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A Terrorist Act Hearing the word terrorist makes one think of dreadful acts of anger‚ or of someone who is destructive to others. Many might think of the Twin Towers‚ Perl Harbor‚ or –more recently- Isis. These three acts of terror involve accounts of harmful things to others: bombs‚ planes‚ fire‚ guns‚ ships‚ etc. As known‚ in the year 2001 the World Trade Center came down with fire and smoke. A picture of two cigarettes placed side by side blown up as big as skyscrapers standing in New York City
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Have you ever thought about why you’re having kids? Some have kids because they think it’s part of the “marriage progression”‚ they want to carry on their bloodline or because everyone around them are having children. Others feel that they want to leave a legacy through their offspring. Then there are those who do it simply because they have a strong desire to have children. In Asia‚ it’s not uncommon for people to want to have children to ensure that there’s someone to look after them when
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Situation analysis The motivation to produce this document is very basic: There is much discussion about whether the direct selling model is temporarily challenged or simply going through what might be one of its best transformations. The new business environment is impacted by forces and competition that did not exist just five to 10 years ago. The speed of change has never been greater and its impact upon society has never been as profound. Current observations reveal some mature companies
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into the boardroom of any Fortune 500 company and you’re likely to see dozens of prestigious wristwatches‚ including such names as Rolex‚ Vacheron Constantine‚ Frank Muller‚ Jaeger-LeCoultre and even Patek Philippe. However‚ this was not always the case. Less than 100 years ago‚ no self-respecting gentleman would be caught dead wearing a wristwatch. In those days of yore‚ real men carried pocket watches‚ with a gold half-hunter being the preferred status symbol of the time—no pun intended. Wristlets
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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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CIT 214 – Assignment 1 – Logical Database Design‚ The Big Boys and Girls Gym Database View 1 MEMBER (MEM_ID‚ MEM_LAST‚ MEM_FIRST‚ MEM_EMAIL‚ MEM_LEVEL‚ MEM_BDAY) AK MEM_EMAIL SK MEM_LAST EMAIL (EMAIL_ID‚ MEM_ID‚ C_ID‚ EVENT_ID‚ EMAIL_DESCRIP) SK MEM_ID‚ C_ID‚ EVENT_ID FK MEM_ID ( MEMBER FK C_ID ( CLASS FK EVENT_ID ( EVENT CLASS (C_ID‚ C_NUMBER‚ C_NAME‚ C_START_TIME‚ C_END_TIME‚ C_ACTUAL_DATE) SK C_NUMBER EVENT (EVENT_ID‚ EVENT_DESCRIP) SK
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Brief History Of Databases In the 1960’s‚ the use of main frame computers became widespread in many companies. To access vast amounts of stored information‚ these companies started to use computer programs like COBOL and FORTRAN. Data accessibility and data sharing soon became an important feature because of the large amount of information required by different departments within certain companies. With this system‚ each application owns its own data files. The problems thus associated with
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first dream is to graduate from college. I’d like to graduate from college so when I try to start my second dream it’ll be a lot easier to get a job from an employer than it would be if I didn’t have a college degree. To achieve my dream I’ll have to study a lot harder than I’m doing now so I can actually accomplish this dream I can also achieve this dream by working hard and saving money so I can I don’t have a lot of debt after school and by just trying a lot harder in my academics. I could over come
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