Enterprise database in a client/server environment
Today, databases are deployed in distributed, heterogeneous hardware and systems software environments. Hardware platforms, systems software, and database management systems are multivendor and multitiered with different architectures including mainframes, personal computers, servers, and workstations. The challenge is to ensure non-redundant, consistent, reliable, integrated, and usable data, processes, and information systems across the enterprise. Here the author presents the techniques necessary to implement an enterprise database - a network of data bases across different computing platforms. He explains how to define the enterprise data model, presents the principles and methodology necessary to define the database project environment, and explains the enterprise database projects that guarantee the success of your database project. He concludes with a summary of the entire database effort.
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REPOSITORY THE METADATA SYSTEM
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accomplished Application package business event Chapter client client/server tool column components contains costs COTS created data and process data element domain data element name data integrity rules data model data transformation database application database domain database process model database project database view DBMS DBMSs defined definition delete derived data distributed documentation employee enterprise database enterprise model entities entity relationship diagrams evaluation example external view element Figure foreign key high-level Information System Control information systems interface internal process interrelationship between instances IRDS logical database mainframe maintenance meta-entity cluster meta-entity types meta-model metadata mission description mission model multiple object operation organization passive repository physical database primary key programs referential integrity relationship represents the interrelationship schema screen select clause semantics server specification stored subordinate System Control Logic table that represents third normal form transaction update valid vendor