Oracle Distributed Systems by Charles DyeEnglish | 11 Apr. 1999 | ISBN: 1565924320 | 526 Pages | PDF |4 MB
Any 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 human resources.
Databases may be aligned with geographical boundaries, such as a behemoth database at a headquarters site and smaller databases at regional offices.
Two different databases may be required to access the same data in different ways, such as an order entry database whose transactions are aggregated and analyzed in a data warehouse.
A busy Internet commerce site may create multiple copies of the same database to attain horizontal scalability.
A copy of a production database may be created to serve as a development test bed.
Title: Oracle Distributed Systems
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