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    Data Management

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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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    capability of his people. What started‚ as a much-despised activity of managing the relationship between businesses and labor unions has now become an essential part of any successful organization. In my opinion assessing and measuring the effectiveness and efficiency of HR programs is truly an important challenge for HR professionalsHistory:The history of Human Resource Management (HRM) can be traced back to the early 1900s. Galbraith and Nathanson developed a model for the human resource management

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    DATA MANAGEMENT

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    Topic 1: The Data Mining Process: Data mining is the process of analyzing data from different perceptions and summarizing it into useful evidence that can be used to increase revenue‚ cut costs or both. Data mining software is one of a number of analytical tools for analyzing data. It allows users to analyze data from many different dimensions or angles‚ categorize it and summarize the relationships identified. Association‚ Clustering‚ predictions and sequential patterns‚ decision trees and classification

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    data mining

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    Components of DSS (Decision Support System) Data Store – The DSS Database Data Extraction and Filtering End-User Query Tool End User Presentation Tools Operational Stored in Normalized Relational Database Support transactions that represent daily operations (Not Query Friendly) Differences with DSS 3 Main Differences Time Span Granularity Dimensionality Operational DSS Time span Real time Historic Current transaction Short time frame Long time frame Specific Data facts Patterns Granularity Specific

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    TYPES OF DATA AND COMPONENTS OF DATA STRUCTURES Data types 1. Primitive: is a data type provided by a programming language as a basic building block 2. Composite: is any data type which can be constructed in a program using its programming language’s primitive data types and other composite types 3. Abstract: is a mathematical model for a certain class of data structures that have similar behavior; or for certain data types of one or more programming languages that have similar semantics

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    Data Analytics

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    You Can Do With Data/The Information Architecture of an Organization What is the difference between data and information? Give examples. Data = discrete‚ unorganized‚ raw facts Quantity Sold‚ Course Enrollment‚ Customer Name‚ Discount‚ Star Rating. Information = transformation of those facts into meaning. Financial data (deposits)‚ daily loans. What is a transaction? Action performed in a database management system What are the characteristics of an operational data store? Stores

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    Big Data

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    globalisation and the increasing intensity of competition‚ the growing demands of security‚ environmental protection and resource scarcity and‚ last but not least‚ the need for reliable‚ flexible and cost-efficient business systems capable of supporting customer differentiation. More than ever‚ modern supply chain managers are confronted with dynamic and complex supply chains and therefore with trends and developments that are hard to predict. In years to come‚ supply chain management will therefore take

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    Data mining

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    University CS 450 Data Mining‚ Fall 2014 Take-Home Test N#1 Date: September 22nd‚ 2014 Final deadline for submission September 29th‚ 2014 Weighting: 5% Total number of points: 100 Instructions: 1. Attempt all questions. 2. This is an individual test. No collaboration is permitted for assessment items. All submitted materials must be a result of your own work. Part I Question 1 [20 points] Discuss whether or not each of the following activities is a data mining task.

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    Mobile Application

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    Bank of America Mobile Application Christine M. Eggert CIS/207 July 26‚ 2012 Shaun vanBergen Bank of America Mobile Application In the world today having the ability to stay connected with everyday life anywhere you go is a new commodity is which most are not a costume. “Wireless technology makes location irrelevant‚ increasing opportunities for businesses through mobile computing and commerce” (Volonino‚ 2011). Having the option or ability to be able to check your email‚ invoice bank accounts

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    Data Mining

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    Data Mining Abdullah Alshawdhabi Coleman University Simply stated data mining refers to extracting or mining knowledge from large amounts of it. The term is actually a misnomer. Remember that the mining of gold from rocks or sand is referred to as gold mining rather than rock or sand mining. Thus‚ data mining should have been more appropriately named “knowledge mining from data‚” which is unfortunately somewhat long. Knowledge mining‚ a shorter term‚ may not

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