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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It’s a good case studies quoted from the web link here (Written by Microsoft): http://www.microsoft.com/casestudies/Case_Study_Detail.aspx?CaseStudyID=4000002880 Infosys Creates Cloud-Based Solution for Auto Dealers using SQL Data Services Infosys Technologies Ltd. is an IT transformation leader for its clients around the world. With over 95‚000 employees in more than 64 offices around the world‚ the company constantly searches for the best technology to help its customers meet their business
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What do you mean by Data Center Services? Data Center Services is an umbrella term used to describe services which create‚ execute‚ enhance or maintain a data center for an organization. Basically‚ data center services include all the facilities related to IT components and activities. It can involve software‚ hardware‚ personnel and processes. Types of Data Centers Enterprise Data Centers Previously‚ enterprises built their own data centers on their own sites. However‚ building private data centers
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1 CIPD unit 4DEP - Version 2 18.03.10 Unit title Developing Yourself as an Effective Human Resources or Learning and Development Practitioner Level 4 1 Credit value 4 Unit code 4DEP Unit review date Sept. 2011 Purpose and aim of unit The CIPD has developed a map of the HR profession (HRPM) that describes the knowledge‚ skills and behaviours required by human resources (HR) and learning and development (L&D) professionals. This unit is designed to enable the learner
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The United States (U.S.) Criminal Justice System (CJS) consists of three interconnected branches that rely on communication and collaborative efforts to function and meet the needs of society. The three CJS branches of law enforcement‚ courts‚ and corrections can appear autonomous but it is common for all three branches to share responsibilities and rely on information collected from various areas of the CJS. Some examples of necessary collaboration and communication situations between CJS branches
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Data Models Consider a simple student registration. Specifically we want to support the tasks of students registering for or withdrawing from a class. To do this‚ the system will need to record data about what entities? What specific data about the entities will need to be stored? What is the cardinality between students and courses? Diagram the data model. While‚ considering a student class registration system for registering or withdrawing a system must have the capability to record data in
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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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Chapter 1 Exercises 1. What is data mining? In your answer‚ address the following: Data mining refers to the process or method that extracts or \mines" interesting knowledge or patterns from large amounts of data. (a) Is it another hype? Data mining is not another hype. Instead‚ the 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. Thus‚ data mining can be viewed as the result of
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Types Of Printers -A Report By Group 2 Introduction A printer is an output device that produces text and graphics on paper. Major types of printer Printers can be divided into two main groups‚ impact printer and non-impact printer. Impact printer produces text and images when tiny wire pins on print head strike the ink ribbon by physically contacting the paper. E.g. Dot matrix printer‚ Daisy wheel printer. Non-impact printer produces text and graphics on paper
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Databases and Data Communication BIS 320 September 16‚ 2013 Lisa Ricks Databases and Data Communication Databases are great when you want to create a model of data such as numbers for figuring out how much you can spend on a new home when you are in the buying marketing‚ you can use excel to figure out how much you can spend and a monthly payment. You can also use a database to track of shipping components from a trade show that you are in charge of. You can use a database to organize
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