G odbc or jdbc driver access to multiple databases

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Unformatted text preview: Woo 70 Web Database Connectivity • How can an application server interact with a database? An Example of a simple Cold Fusion page and the dynamically generated HTML returned to the browser BUSI 335 – Uses a proprietary set of native database APIs • Enjoys full functionality of the database and high performance • Requires more low-level coding • Needs to re-code if a database is changed – Uses middleware (e.g. ODBC or JDBC driver) • Access to multiple databases; provides a single API to any database with middleware • Enables the same application to access data from more than one type of database An Example of a simple Active Server Page and the dynamically generated HTML returned to the browser Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 71 BUSI 335 Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 72 Web Database Connectivity: Middleware Summary Application • Basic concepts of the Internet and the World Active Data Objects OLE DB Tabular Data Spreadsheets File Systems OLE DB ODBC Driver Manager ODBC Driver • OLE DB (Microsoft Technology) ODBC Driver SQL Server Access – An interface layer on top of different types of data sources (e.g. relational databases, spreadsheets, file systems, …etc.) – Provides two major components: data consumers and service providers – Contains an API set to allow developers to create data consumers and service providers by using C++ – Active Data Objects (ADO) further simplify the access to databases using an OLE DB provider BUSI 335 Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 73 Wide Web • User Authentication • Client/Server Model • Two-Tier and Three-Tier Client/Server Architectures • Static and Dynamic Access to Web Database • Web Database Application Technologies BUSI 335 Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 74...
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This document was uploaded on 03/04/2014 for the course COMM 335 at The University of British Columbia.

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