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ORACLE DATABASE

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About the oracle

Oracle Database is most famous Database Management System. It is a most famous RDBMS (Relational Database Management System) from the Oracle Corporation. The oracle database originally developed by Larry Ellison and his two friends and former co-workers, Bob Miner and Ed Oates in the year 1977. Oracle DB is one of the most reliable and widely-used relational database engines.

The Oracle Database stores data logically in the form of table and in the form of data files ("datafiles"). Tables can contain numerous types of memory sections, such as Data sections, Index sections, etc. This Memory section in the one or more levels. Extents comprise groups of contiguous data blocks. Data blocks form the basic units of data storage.

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