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What is RDBMS?

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Relational Data Base Management Systems (RDBMS ) are database management systems that maintain data records and indices in tables. Relationships may be created and maintained across and among the data and tables. In a relational database , relationships between data items are expressed by means of tables. Interdependencies among these tables are expressed by data values rather than by pointers. This allows a high degree of data independence. An RDBMS has the capability to recombine the data items from different files, providing powerful tools for data usage.




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