dbdesgin

dbdesgin - DATABASE DESI GN Yi Chen Dept of Computer...

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Unformatted text preview: DATABASE DESI GN Yi Chen Dept of Computer Science & Engineering Arizona State University CSE 412 2 DATABASE DESI GN PROCESS OVERVI EW The development of a database is part of a larger information systems development process. An information system includes: the data to be accessed computer hardware and storage media the DBMS software application software that will access and update the data DBA application programmers personnel who will use and manage the data CSE 412 3 I NFORMATI ON SYSTEM LI FE CYCLE Feasibility Analysis . Determining potential application areas, performing cost benefit studies, and setting priorities among the different applications to be developed. Requirements Collection and Analysis . Potential users of an application are interviewed to determine problems and needs. A requirements specification document is produced. Design . The structure of the information system is specified. Design encompasses database design and applications design . CSE 412 4 I NFORMATI ON SYSTEM LI FE CYCLE (continued) Implementation . The database is constructed and populated with data. Application programs are developed and tested. Validation and Acceptance Testing . The system is tested against performance criteria and users evaluate the system against the requirements specification document. Operation . Operation is preceded by conversion from the old system to the new system. User training is performed. System maintenance is a continually activity during operation to adapt the system to changing user needs. CSE 412 5 DATABASE APPLI CATI ON LI FE CYCLE Development of a database system is a micro life cycle within the macro life cycle of the larger information systems development process....
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This note was uploaded on 12/11/2009 for the course CSE 412 taught by Professor Davulcu,h during the Fall '08 term at ASU.

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dbdesgin - DATABASE DESI GN Yi Chen Dept of Computer...

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