1. Database Overview College of Alameda Copyright © 1999 Patrick McDermott pmcdermott@peralta.edu

2. Microsoft Office ® OFFICE ® Word ® –Word Processor Excel ® “XL” –Spreadsheet PowerPoint ® –Presentations Access ® “AxS” –Database DATABASES Access –Office Suite Foxpro –Developer Studio SQL Server –Corporate Servers

3. Database Products Oracle IBM’s DB2 Sybase SQL Server MySQL PostgreSQL Access THE HISTORY 1.Flat Files 2.Indexed Files 3.Hierarchical/Network 4.Relational 5.Object? “Behind every great application lies a great database manager.”—Jeff Prosise DBMS Data Base Management System

4. Computers Don’t Compute 1.Processing Text –Microsoft Word © –Email 2.Keeping Data –Database 3.Computing R1=(-B+sqrt(B*B-4.0*A*C))/2*A; Add, Subtract, Multiply, Divide Amazon.com and eBay are little more than front ends to massive databases designed to serve end users like you and me.—Jeff Prosise 電子計算機

5. The Compleat Programmer Language DataBase User Interface O/S, Network This is the Flowchart Symbol for Disk Storage

6. You Got to be Flexible Computer Users spend Much of their Time Correcting their own Errors Computer Programmers spend Most of their Time Correcting their own Errors