What Is A Data Dictionary? Per the IBM Dictionary of Computing‚ a data dictionary is a "centralized repository of information about data such as meaning‚ relationships to other data‚ origin‚ usage‚ and format." Essentially‚ it is documentation or data about data in a file or database‚ also called metadata. Typical Items In A Data Dictionary For each field or column in a database table‚ describe the following elements: Item Contents File/Table Name The name of the file or table where
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“Peter Lynch and the Fidelity Magellan Fund‚” (UVA-F-0777) and “The Fidelity Magellan Fund‚ 1995” (UVA-F-1126). The case is intended for use in the opening stages of a finance course. It provides a nontechnical introduction to the U.S. equity markets and sets the foundation for some basic concepts in finance. Specific teaching objectives are to: • Motivate a discussion of the concept of capital-market efficiency. • Impart some recent capital-market history—in particular‚ regarding
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validated by stating it is not illegal to take street photographs. The legality of street photography may not be questionable‚ but ethics behind the photographs being taken do not follow this simple process. Street photographers tend to possess many ethical issues‚ one is how they approach the process of taking the photos. The photographers can lack judgement on the situations at hand‚ approaching groups or taking a photo disrespectfully. One such example is when a man “ran across the street towards
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objectivism instead of relativism in morality. Ethical relativism is “the theory that there are no universally valid moral principles”. Ethical relativism however is different from moral doubt where valid moral principles do not exist at all. Pojman argues that what is considered as morally right or wrong varies from society to society. Pojman proposes that ethical relativism can be seen as a good thing but can get hard when getting into the details. Ethical relativism is defined that says moral principles
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you an understanding of how data resources are managed in information systems by analyzing the managerial implications of basic concept and applications of database management. Introduce the concept of data resource management and stresses the advantages of the database management approach. It also stresses the role of database management system software and the database administration function. Finally‚ it outlines several major managerial considerations of data resource management.
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students in each grade. (b) Construct a new circle graph to show how the percent of Grade 9 students rose by 10% and the percent of Grade 11 students fell by 10% the following year. Compare graphs. 2. Analyze the following box-and-whisker plot. What are the median value for the whole sample‚ the median values for each half‚ and the range? 3. Students in Mrs. Singh’s math class were asked if they can watch television and do math homework at the same time. According to the results
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1. What are some of the differences between crime scene investigations on TV and those that occur in real life? What are some of the similarities? The differences between crime scene and TV is that in TV shows they automatically lead to the convicted or always reveal the truth. However there’s a lot more to come into play and rarely simple. In real life it takes time to see the small things. It is 10 times more gruesome because you see the worst of what human beings are capable of. They however are
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What would be some good custodian interview questions? I work in an educational facility. Employee Issues - robert contreras Answer Answer # 1. The goal of a job interview is to determine which applicant will best meet the requirements and needs of the job opening that you have available. You want to ask questions that allow you to accurately and fairly evaluate and compare each applicant’s ability to perform the requirements of the job. This would include asking questions about attendance
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Introduction to Data Mining Assignment 1 Ex1.1 what is data mining? (a) Is it another hype? Data mining is Knowledge extraction from data this need for data mining has arisen due to the wide availability of huge amounts of data and the imminent need for turning such data into useful information and knowledge. So‚ data mining definitely is not another hype it can be viewed as the result of the natural evolution of information technology. (b) Is it a simple transformation of technology developed
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best alternative in the following: Q.1 In the relational modes‚ cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (C) Data definition language. Ans: B Q.3 The view of total database content is (A) Conceptual view. (C) External view. Ans: A Q.4 Cartesian product in relational algebra is (A) a Unary operator. (B) a Binary operator. (C) a Ternary operator. (D) not defined
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