What is System Global Area (SGA)

Q

What is System Global Area (SGA)? - Oracle DBA FAQ - Oracle Basic Concepts

✍: FYIcenter.com

A

The System Global Area (SGA) is a memory area that contains data shared between all database users such as buffer cache and a shared pool of SQL statements. The SGA is allocated in memory when an Oracle database instance is started, and any change in the value will take effect at the next startup.

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What is Program Global Area (PGA)
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What Is a Initialization Parameter File
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What Is the Relation of a User Account and a Schema
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What Is a Server Parameter File
What Is a Server Parameter File? - Oracle DBA FAQ - Oracle Basic Concepts A server parameter file is a binary file that acts as a repository for initialization parameters. The server parameter file can reside on the machine where the Oracle database server executes. Initialization parameters stored ... 2007-04-21, 4541👍, 0💬

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What Is an Oracle Instance
What Is an Oracle Instance? - Oracle DBA FAQ - Oracle Basic Concepts Every running Oracle database is associated with an Oracle instance. When a database is started on a database server (regardless of the type of computer), Oracle allocates a memory area called the System Global Area (SGA) and start... 2007-04-21, 4428👍, 0💬

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