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Oracle Distributed SystemsAny organization that uses the Oracle relational database management system (RDBMS) these days needs to use multiple databases. There are many reasons to use more than a single database in a distributed database system:
- Different databases may be associated with particular business functions, such as manufacturing or
... | | | | Managing Worldwide Operations and Communications With Information TechnologyA data warehouse consists of a set of materialized views that contain derived data from several data sources. Materialized views are beneficial because they allow efficient retrieval of summary data. However, materialized views need to be refreshed periodically in order to avoid staleness. During a materialized view refresh only changes to the base... |
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