analytical processing (OLAP) systems. Data warehouses support OLAP applications by storing and maintaining data in multidimensional format. Data in an OLAP warehouse is extracted and loaded from multiple OLTP data sources (including DB2, Oracle, IMS databases, and flat files) using Extract, Transfer, and Load (ETL) tools. The warehouse is located in a presentation server. It can span enterprisewide data needs or can be a collection of “conforming” data marts [8]. Data marts (subsets of data warehouses)
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that will provide students with computer skills necessary to be successful in “real world” personal and business situations. Students will use Microsoft Office to learn word processing, desktop publishing, presentation software, spreadsheets, and databases. COURSE OUTCOMES On completion of the course, students will be able to: 1. Demonstrate an understanding of basic information technology concepts and principles 2. Describe major components of information systems 3. Discuss business
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Chapter 5 Normalization of Database Tables Discussion Focus Why are some table structures considered to be bad and others good and how do you recognize the difference between good and bad structures? From an information management point of view, possibly the most vexing and destructive problems are created through uncontrolled data redundancies. Such redundancies produce update and delete anomalies that create data integrity problems. The loss of data integrity can destroy the usefulness
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Homework should start from this page only: | | INDEX | | |1 | Elaborate on the advantages of DBMS over file system. | | |2 | Explain in detail the architecture of DBMS. | | |3 |What
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would not be able to access another program's files. This would be true even for those programs written in the same language, because a program needs to know the file structure before it can access it. 1.4 Describe the main characteristics of the database approach and contrast it with the file-based approach. Focus is now on the data first, and then the applications. The structure of the data is now kept separate from the programs that operate on the data. This is held in the system catalog or
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College Databases Kenny Johnson Prof. Mark Cook CIS111: Introduction to Relational Database Management Systems April 20, 2014 Databases are used to store data and retrieve them quickly for processing. All businesses use a database to help them keep their information organized and available when needed. The data in the database is organized in a database management system. A database management system is a collection of programs that manages the database structure and controls
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3.17 MySQL MySQL is a popular choice of database for use in web applications, and is a central component of the widely used LAMP open source web application software stack. It was released in the early 1998. MySQL is an open source relational database management system based on structure query. (Eng & McCormack, 2001). MySQL is chosen to be the database management system in developing in proposed system because of several advantages. MySQL is very easy to be used with a basic SQL knowledge
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This page intentionally left blank Te n t h E d i t i o n MODERN DATABASE MANAGEMENT Editorial Director: Sally Yagan Editor in Chief: Eric Svendsen Executive Editor: Bob Horan Editorial Project Manager: Kelly Loftus Editorial Assistant: Jason Calcano Director of Marketing: Patrice Lumumba Jones Marketing Manager: Anne Fahlgren Marketing Assistant: Melinda Jensen Senior Managing Editor: Judy Leale Project Manager: Becca Richter Senior Operations Supervisor: Arnold Vila Operations
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1. (a) What is the difference between an intranet and an extranet Intranet is an internal network. It is used by companies to connect their computers on a network. In general, intranet as a network based on TCP/IP protocols belonging to an organization and only the members of the organization can access the network. However, intranet is inaccessible from the outside. Only the members of the corporation with authorized access the network. Like other networks, the Intranet is mainly used to share
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access the data from anywhere. When you chose a file history backup, anytime you change files on your computer an external storage device makes a copy and saves it. 2) a) Two advantages of OneDrive are that you can access your files from any location. All you need is an internet connection and a compatible device. Another advantage is that you can switch between devices. For example, you’re working on a project through your computer, you can save it go to work and open it right up
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