Files and Relational Databases What is a file? • contains groups of records used to provide information for operations‚ planning‚ management and decision making. • can be used for storing data for an indefinite period of time‚ or they can be used to store data temporarily for a specific purpose. FILE TYPES • Master Files -- contain records for a group of entities. The attributes may be updated often‚ but the records themselves are relatively permanent. These files
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chapter 10 The REA Approach to Database Modeling T his chapter examines the resources‚ events‚ and agents (REA) model as a means of specifying and designing accounting information systems that serve the needs of all of the users in an organization. The chapter is comprised of three major sections. The first introduces the REA approach and comments on the general problems associated with traditional accounting practice that can be resolved through an REA approach. This section presents the REA
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of multimedia file or text file in Oracle database from client. In web application client must upload the file in web server or any other machine. But web server can access that directory where the files are uploaded. To complete the operation we can use Oracle Blob data type‚ Oracle directory and with a procedure. Implementation: Suppose we have a table name ImageTable. The table should be like this. CREATE TABLE ImageTable ( ID NUMBER‚ FILENAME VARCHAR2(3000 BYTE)‚ DATA BLOB‚ CONSTRAINT
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CHAPTER 3 DATABASES AND DATA WAREHOUSES Building Business Intelligence CONTACT INFORMATION: Stephen Haag is the primary author of this chapter. If you have any questions or comments‚ please direct them to him at shaag@du.edu. THIS CHAPTER/MODULE IN SHORT FORM… This chapter introduces your students to the vitally important role of information in an organization and the various technology tools (databases‚ DBMSs‚ data warehouses‚ and data-mining tools) that facilitate the management
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Database and File Intrusion Detection System Sayali Pradeep Joshi‚ Mihir Thuse‚ Snehal Bhongale‚ Pranav Paranjpe Dept. of Computer Engineering Marathwada Mitra Mandal’s College of Engineering Pune 411052‚ India jsayali92@gmail.com‚ mihir.thuse@gmail.com‚ snehalbhongale@gmail.com‚ pranav707@gmail.com Abstract— The need for secure data storage has become a necessity of our time. Medical records‚ financial records‚ and legal information are all in need of secure storage. In the era of globalization
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Chapter 1: Database Systems TRUE/FALSE 1. Data and information are essentially the same thing. ANS: F PTS: 1 REF: 5 2. Data processing can be as simple as organizing data to reveal patterns. ANS: T PTS: 1 REF: 6 3. We are now said to be entering the “knowledge age.” ANS: T PTS: 1 REF: 6 4. Information implies familiarity‚ awareness‚ and understanding knowledge as it applies to an environment. ANS: F PTS: 1 REF: 6 5. Data constitute the building blocks of information
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Database System Versus File System Consider part of a savings-bank enterprise that keeps information about all customers and savings accounts. One way to keep the information on a computer is to store it in system files. To allow users to manipulate the information‚ the system has a number of application programs that manipulate the files including • A program to debit or credit an account • A program to add new account • A program to find the balance of an account • A program to generate
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Determining databases and Data Communications Bis/320 September 23‚ 2013 Dr. Julie Ruse Determining databases and Data Communications Electronic Company To determine ways of managing a trade show booth the individual shall keep certain things in mind about the components‚ equipment‚ shippers‚ shipment‚ and time to assemble the pertinent equipment for display. Not only setting up the pertinent equipment for display but also need to make selection on setup team‚ and supervised the trade
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differences between a file processing system and a database system ANS: Some main differences between a database management system and a file processing system are: * Both systems contain a collection of data and a set of programs which access that data. A DBMS coordinates both the physical and the logical access to the data‚ whereas a file-processing system coordinates only the physical access. * A DBMS reduces the amount of data duplication by ensuring that a physical piece of data is available
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Title: “Data Mining: The Mushroom Database” Author: Hemendra Pal Singh* In this review “Data Mining: The Mushroom Database” is focuses in the study of database or datasets of a mushroom. The purpose of the research is to broaden the preceding researches by administer new data sets of stylometry‚ keystroke capture‚ and mouse movement data through Weka. Weka stands for Waikato environment for knowledge analysis‚ and it is a popular suite of machine learning software written in Java‚ developed at
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