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System Global Area

Index System Global Area

In the database management systems developed by the Oracle Corporation, the System Global Area (SGA) forms the part of the system memory (RAM) shared by all the processes belonging to a single Oracle database instance. [1]

9 relations: Data dictionary, Database, Database caching, Java (programming language), Oracle Corporation, Oracle Database, Random-access memory, Redo log, Table (database).

Data dictionary

A data dictionary, or metadata repository, as defined in the IBM Dictionary of Computing, is a "centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format".

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Database

A database is an organized collection of data, stored and accessed electronically.

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Database caching

Database caching is a process included in the design of computer applications which generate web pages on-demand (dynamically) by accessing backend databases.

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Java (programming language)

Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.

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Oracle Corporation

Oracle Corporation is an American multinational computer technology corporation, headquartered in Redwood Shores, California.

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Oracle Database

Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is a multi-model database management system produced and marketed by Oracle Corporation.

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Random-access memory

Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.

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Redo log

In the Oracle RDBMS environment, redo logs comprise files in a proprietary format which log a history of all changes made to the database.

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Table (database)

A table is a collection of related data held in a structured format within a database.

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References

[1] https://en.wikipedia.org/wiki/System_Global_Area

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