Chapter 11Database Applications Using

Internet Technology

David M. Kroenke

Database Processing

© 2000 Prentice Hall

Chapter 11

© 2000 Prentice Hall

Network Terminology

• Network “a collection of computers that communicate with one another using a standardized protocol”

• Public “anyone can utilize the network”

• Private “users must be preauthorized to gain access”

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Internet Terminology

• TCP/IP “Terminal Control Program/Internet Protocol”

• E-mail• Newsgroups• TelNet• FTP

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World Wide Web Terms

• HTTP hypertext transfer protocol• HTML hypertext markup language• SGML standard generalized markup

language• URL universal resource locator• MIME multipurpose Internet mail

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Intranet

“Private network using TCP/IP, HTML, and related Internet technology”

• private -or-

• connected to pubic via a firewall, “computer that serves as a security gateway”

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Network Database Apps

• Static Report Publishing• DB Query Publishing• Application Publishing

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Three-Tier Architecture

Page 279Figure 11-6 © 2000 Prentice Hall

Functions of Tiers

Page 280Figure 11-7 © 2000 Prentice Hall

Web Server Standards and Languages

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Internet Scripting Languages

• JavaScript• JScript• ECMAScript-262• VBScript• PERL

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Internet Programming Languages

• JAVA• Visual Basic• C++• ActiveX

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Microsoft Component Specifications

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Markup Languages

• DHTML dynamic HTMLRDS Remote Data Services (ActiveX

controls) allow data to be cached locally

• XML Extensible Markup LanguageDTD Document type declaration

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Example of XML Standards

Page 299Figure 11-22 © 2000 Prentice Hall

Web Server Functions

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