1. Database Connectivity and Web Development
Chapter 14
Database Connectivity and Web Development
Database Systems: Design, Implementation, and Management, Seventh Edition, Rob and Coronel

2. The Web as a Stateless System
Stateless system indicates that at any given time, Web server does not know status of any of clients communicating with it
Client and server computers interact in very short “conversations” that follow request-reply model
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

3. Extensible Markup Language (XML)
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

4. Document Type Definitions (DTD) and XML Schemas
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

5. Document Type Definitions (DTD) and XML Schemas (continued)
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

6. Document Type Definitions (DTD) and XML Schemas (continued)
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

7. Document Type Definitions (DTD) and XML Schemas (continued)
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

8. XML Presentation
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

9. XML Presentation (continued)
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

10. XML Presentation (continued)
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

11. XML Applications B2B exchanges Legacy systems integration
Web page development
Database support
Database metadictionaries
XML databases
XML services
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

12. Summary
Database connectivity refers to the mechanisms through which application programs connect and communicate with data repositories
Microsoft database connectivity interfaces are dominant players in the market and enjoy the support of most database vendors
Native database connectivity refers to the connection interface that is provided by the database vendor and is unique to that vendor
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

13. Summary (continued)
Object Linking and Embedding for Database (OLE-DB) is a database middleware developed with the goal of adding object-oriented functionality for access to relational and nonrelational data
Database access through the Web is achieved through database-to-middleware software
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel

14. Summary (continued)
ColdFusion is a Web application server that provides database access (among other services) to the Web
Extensible Markup Language (XML) facilitates the exchange of B2B and other data over the Internet
XML provides the semantics that facilitates the exchange, sharing, and manipulation of structured documents across organizational boundaries
Database Systems: Design, Implementation, & Management, 7th Edition, Rob & Coronel