Most organizations that use the Oracle relational database management system (RDBMS) nees to use multiple databases. There are many reasons to use more than a single database in a distributed database syste,s: different databases may be associated with particular business functions, such as manufacturing or human resources; databases may be aligned with geographical boundaries, such as behemoth database at a headquarters site and smaller databases at regional offices; two different databases may be required to access the ...
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Most organizations that use the Oracle relational database management system (RDBMS) nees to use multiple databases. There are many reasons to use more than a single database in a distributed database syste,s: different databases may be associated with particular business functions, such as manufacturing or human resources; databases may be aligned with geographical boundaries, such as 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; and a copy of a production database may be created to serve as a development test bed. This book describes how you can use multiple databases and the distributed features of Oracle to best advantage. Distributed database environments offer a number of benefits over single-database systems, including tunability, platform autonomy, and location transparency. This book describes the benefits and tradeoffs of distributed database systems.
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