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The Computer as an Educational Tool
Chapter 9: Learning with Database Tools Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Copyright © 2008 by Pearson Education, Inc.
What is a Database? An organized, structured collection of facts Designed to deal with text, numbers, visual data, and sound Facts collected and grouped together into files Can consist of a single file or a number of related files Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Copyright © 2008 by Pearson Education, Inc.
Database Managers Software designed to structure data to produce information Relational database managers File managers File management system Gather related data into a central collection Find specific data to meet a particular need Reorder those data in various ways Retrieve the product of that reordering in a useful form Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Copyright © 2008 by Pearson Education, Inc.
Database Operation File Design Establish structure of the file by creating data fields of appropriate type Field—individual data item Label—descriptor related to the field Record—a group of related fields Form Design Create a layout of fields and where they will be displayed on the screen or printed on paper Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Database Operation (cont.)
Record Editing Allow data to be entered, altered, and deleted Record Finding Facilitate the selection of certain records while ignoring others Logical search Boolean connectors Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Database Operation (cont.)
Record Sorting Organize records according to some field order Ascending and/or descending order Report Creation Find specific records, sort them, and arrange them on a selected form Nested sort or multilevel sort Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Database Operation (cont.)
Report Printing Display the information on the screen or on paper Integration with word processing software Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Problem Solving with Databases
Problem Statement Understanding Components Design the Solution Error Trapping Evaluate Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Copyright © 2008 by Pearson Education, Inc.
Database Features Accuracy Control Data Entry Automation Field Definition Finding Records Layout Sorting Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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Curriculum Applications of Databases
Management Research Organization and retrieval skills Digital portfolio development Commercially available databases related to curriculum Forcier and Descy The Computer as an Educational Tool (Fifth Edition) Copyright © 2008 by Pearson Education, Inc. Columbus, Ohio 43235 All rights reserved
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