Overview of Database Concepts TRUE/FALSE 1. A database is a physical storage device for data. ANS: F PTS: 1 REF: 2 2. A field is a basic unit of data also referred to as a record. ANS: F PTS: 1 REF: 3 3. A character is a basic unit of data and can consist of a number‚ letter‚ or special symbol. ANS: T PTS: 1 REF: 3 4. A collection of fields is a file. ANS: F PTS: 1 REF: 3 5. A collection of records is a file. ANS: T PTS: 1 REF: 3 6. A field in the logical design of a database corresponds
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What is the fashion cycle? Fashion cycle – a period of time or life span during which the fashion exists‚ moving through the five stages from introduction through obsolescence. – When a customer purchases and wears a certain style‚ that style is considered accepted. The acceptance leads to the style becoming a fashion! Fashions do not always survive from year to year GOAL: The ability to gauge the timeliness or occurrence at the right time‚ of a fashion is critical in the development and marketing of
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Hospital-Based Database System (A Case Study of BIRDEM) Rosina Surovi Khan Department of Computer Science and Engineering Ahsanullah University of Science and Technology (AUST) Dhaka‚ Bangladesh Email: surovi99@yahoo.com Abstract— As technology advances‚ information in different organizations of Bangladesh can no more be maintained manually. There is a growing need for the information to become computerized so that it can be suitably stored. This is where databases come into the picture. Databases are convenient
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Nitrogen cycle Nitrogen gas is a colourless‚ odourless and non-toxic gas which makes up about 78 percent of the atmosphere. Nitrogen is extremely important to living material; in fact plants‚ animals and humans could not live without it. Sprent (1987) argued that nitrogen cycle is the most important process to living organisms after the carbon cycle. But nitrogen exists as dinitrogen (N2) in the atmosphere‚ which living things‚ particularly plants‚ cannot synthesize (citation) The process of nitrogen
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Sleep Cycle You may be surprised to learn that we still don’t fully understand why people need to sleep and what purpose sleep serves. Doctors and researchers had thought many years ago that sleep was a single state of being that was distinguished from waking. However‚ we now know that sleep itself is divided into two distinctly different states: REM‚ or rapid eye movement sleep‚ and non-REM sleep. Non-REM sleep is the state of sleep entered when we first start to doze off. Non-REM sleep state
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Research Assignment While the database management system terminology has become widespread in India‚ there is a vast space for the adoption of the systems. The market potential still has a significant amount of spread to increase market share. A computer database is a repository of structured data or information and a database management system is a collection of programs that allows storage and retrieval of this data efficiently. Database management systems have undergone significant changes over
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Production Cycle The production cycle is a set of business activities and data processing operations associated with the manufacturing of products. Louwers (2007) points out that “the production cycle is closely linked to the acquisition cycle in which goods and services are purchased and to the revenue cycle in which the inventory is sold (p. 328). As products cycle through the stages from raw goods all the way through finished goods‚ the production cycle is concerned with how to account for
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CHAPTER 12- THE CELL CYCLE I. Concept 12.1- Cell division results in genetically identical daughter cells A. Overview 1) The continuity of life is based on the reproduction of cells or cell division. 2) The cell division process is an integral part of the cell cycle‚ the life of a cell from the time it is first formed from a dividing parent cell until its own division into two cells. B. Cellular Organization of the Genetic Material 1) A cell’s endowment of DNA‚ its genetic
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Introduction Innovation and venturing is one of the most essential parts of corporation’s development. In the turbulent business environment of current world‚ change happens rapidly and frequently. In order to survive or achieve success within this context‚ it is necessary for companies to keep competitive advantages‚ which can be realised by correct understanding of own core competitiveness‚ reasonable foresight of future‚ and appropriate strategy of continuous innovation.Furthermore‚ excellent
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. Many products and services often pass a life cycle while there are many shapes depending on their industries. They newly emerge in the society‚ start to sell to be widespread‚ become saturated in the market and then gradually get out of date. This sequence of product and service is called the product life cycle. Smartphone also passes such natural path. According to the next web (2011)‚ first smartphone brand was Ericsso’s GS88 in 1997. A touchscreen smartphone‚ which is widespread now‚ was launched
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