December 2002
Intermediate to advanced
928 pages
85h 29m
English
Content preview from Oracle in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2. Configuration
Oracle is designed to be a very flexible and configurable system. These qualities are absolute necessities for a database that can be run on dozens of different hardware platforms in a multitude of configurations, supporting an almost infinite variety of applications and users. In order to achieve the needed flexibility, Oracle must provide the DBA with a simple method of specifying certain operational characteristics of the database in a clear and consistent manner. DBAs specify most of these characteristics by setting and resetting values for the database initialization parameters , commonly referred to as INIT.ORA parameters . The fundamental goal is to set or reset these parameters in a way that gets the database running at its peak performance level.
Each initialization parameter controls a specific aspect of the Oracle server. Together, all of the parameters combine to shape the generic Oracle database technology to fit your particular needs.
The following is a typical initialization file for a general-purpose installation of Oracle9i:
DB_NAME = "ORA9" DB_DOMAIN = homeserver INSTANCE_NAME = ORA9 SERVICE_NAMES = ORA9.homeserver DB_FILES = 1024 DB_BLOCK_SIZE = 8192 COMPATIBLE = 9.0.0 SORT_AREA_SIZE = 65536 SORT_AREA_RETAINED_SIZE = 65536 CONTROL_FILES = ("C:\Oracle\oradata\ORA9\control01.ctl", "D:\Oracle\oradata\ORA9\control02.ctl", "E:\Oracle\oradata\ORA9\control03.ctl") OPEN_CURSORS = 100 CURSOR_SHARING = similar MAX_ENABLED_ROLES = 30 DB_FILE_MULTIBLOCK_READ_COUNT ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.