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CHAPTER EIGHT
Accessing Data Processing Databases
8- 2 Introduction
• Data is efficiently managed by storing them in files on disk.
• Data files and programs are separate.
• The program does not need to be modified when the data changes.
• Different programs can share the same data sets.
McGraw Hill/Irwin ©2002 by The McGraw-Hill Companies, Inc. All rights reserved.
8- 3 Introduction (cont.)
• Most businesses organize their data into databases.
• A database is an organizes collection of data.
• A database management system (DBMS) is a program that is used to create and maintain databases.
• Visual Basic .NET provides tools for developers to access databases from their programs.
McGraw Hill/Irwin ©2002 by The McGraw-Hill Companies, Inc. All rights reserved.
8- 4 Objectives
• Understand and use relational databases.
• Understand a subset of the ADO.NET object model.
• Apply the ADO.NET object model within Visual Basic .NET to access databases.
• Use the properties and methods of the DataGrid control to display record from a DataSet.
McGraw Hill/Irwin ©2002 by The McGraw-Hill Companies, Inc. All rights reserved.
8- 5 Objectives (cont.)
• Write SQL Select queries to extract data from a database.
• Bind controls such as TextBoxes and Labels to a DataSet.
• Create Master/Detail DataSets.
• Use several tools within Visual Basic .NET to manage and use databases.
McGraw Hill/Irwin ©2002 by The McGraw-Hill Companies, Inc. All rights reserved.
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