Relational Database Management Systems ( Rdbmss ) Essay

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At the U.S. Census Bureau, hundreds, perhaps more than a thousand heterogeneous databases are currently operating. Some divisions have standardized the database technology on Oracle, while others are using a combination of Sybase, MySQL, SQL Server, etc. These Relational Database Management Systems (RDBMSs), supporting many databases and applications and each hosted on dedicated servers, are often under-utilizing the server resources available to them. Such a database infrastructure, therefore, is not cost-, or resource-effective from a maintenance or administrative standpoint. Consequently, the best solution to mitigate these issues involves the implementation of database consolidation technology. Database consolidation is the process of centralizing database resources, so that they are shareable among several databases and instances. In other words, it is the process of consolidating databases from multiple servers onto one or fewer servers. For example, Multitenant Architecture of Oracle 12c moves the database management principle to a completely new level with database consolidation. Consequently, for the U.S. Census Bureau, consolidation initiatives such as the following are beneficial:
• Lower Total Cost of Ownership (TCO) – fewer licenses and fewer administrative personnel
• Improved availability – improved service level agreements (SLAs)
• Improved security – security on a consolidated server is easier to administer than on several individual servers
• Improved
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