M cheung william tan and carson woo 6 different types

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Unformatted text preview: Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 6 Different Types of Knowledge Types of Knowledge • When representing or storing data, there is a • Limited Data Sharing Data Sharing difference between: • Lengthy Development Times – Domain (or application) knowledge • Excessive Program Maintenance – Technology related (or physical representation) knowledge Can you provide an example? • Database management systems separate them. BUSI 335 Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 7 BUSI 335 Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 8 Database Management Systems Database Management Systems The Database Vision The Database Vision A database database management system (DBMS) is software that serves as an interface between a common database and various application programs. BUSI 335 Database Management Systems (DBMS) are computer programs that enable a user to computer programs that enable user to create and update files, to select and retrieve update select retrieve data, and to generate various outputs and reports. and to generate various outputs and reports Without having to know how data is physically represented and stored. • A database is a structured collection of data accessed and utilized by many different applications and users. Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 9 BUSI 335 Database Agnosticity Database agnosticity permits multiple applications to share the same database. share Most eMost e-business software are database agnostic, database meaning that the DBMS is independent of the the application software. It also permits the data to be physically stored apart apart from the application, which facilitates a client-server architecture hi in which multiple users access a shared database. Thi This permits upgrading or modifying the application th without having to reorganize, restructure, or modify the database software or modify the database software. Copyright © 2009-10 Y.M. Cheung, William Tan and Carson Woo 10 Database Agnosticity (cont’d) Agnosticity Databases are frequently connected Databases are frequently connected to eto e-busines...
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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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