[...]... following: /oracle0 /product /oracle/ 8.1.3/ $ORACLE_ HOME Top level bin/ Standard distribution structure under version /oracle0 /data/ under type directories ortest1/ ortest2/ /oracle0 /control/ ortest1/ ortest2/ /oracle0 /redo/ doc/ rdbms/ … Place instance names RAMPANT TECHPRESS EBOOK COPYRIGHT © 2003 RAMPANT TECHPRESS ALL RIGHTS RESERVED PAGE 9 DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH DATABASE ADMINISTRATION. .. capacity planning RAMPANT TECHPRESS EBOOK COPYRIGHT © 2003 RAMPANT TECHPRESS ALL RIGHTS RESERVED PAGE 1 DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH DATABASE ADMINISTRATION Resource and Capacity Planning Oracle is a resource intensive database system The more memory, CPU and disk resources you can provide Oracle, the better it performs Resource planning with Oracle becomes more a game of "how much can we... separation of files for ease in locating and controlling database files For other platforms just alter the directory syntax for example on NT the " /oracle0 /product /oracle/ 8.1.3" directory becomes "c: \oracle0 \product \oracle\ 813\" Oracle Structures and How They Affect Installation As can be seen from the previous section, an Oracle database is not a simple construct Much thought must go into file placement,... a testament to the resiliency of the Oracle RAMPANT TECHPRESS EBOOK COPYRIGHT © 2003 RAMPANT TECHPRESS ALL RIGHTS RESERVED PAGE 10 DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH DATABASE ADMINISTRATION RDBMS that even if most of the decisions are made incorrectly, the database that results will still function, albeit, inefficiently The structures are as follows: Oracle executables Data files—data, index,... file that corresponds to current database status In both Oracle7 and Oracle8 , there is a CREATE CONTROL FILE command that allows recovery from loss of a control file However, you must have RAMPANT TECHPRESS EBOOK COPYRIGHT © 2003 RAMPANT TECHPRESS ALL RIGHTS RESERVED PAGE 12 DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH DATABASE ADMINISTRATION detailed knowledge of your database to use it properly The... initiate the backup For example on OpenVMS: RAMPANT TECHPRESS EBOOK COPYRIGHT © 2003 RAMPANT TECHPRESS ALL RIGHTS RESERVED PAGE 21 DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH $ $ $ $ $ DATABASE ADMINISTRATION backup/log=ora_.log ora_diskx: [oracle ]*.*,ora_diskx+1: [oracle ]*.* ora_diskx+2: [oracle ]*.* ora_diskx+n :oracle ] dev:ora_.sav/save Where: ora_diskx ora_diskn represents the system... them and how they will affect Oracle tuning RAMPANT TECHPRESS EBOOK COPYRIGHT © 2003 RAMPANT TECHPRESS ALL RIGHTS RESERVED PAGE 14 DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH DATABASE ADMINISTRATION Figure 1: Example Of Improper Striping Disk Striping Disk striping is the process by which multiple smaller disks are made to look like one large disk This allows extremely large databases, or even extremely... device, make a directory for each different Oracle database on the system d Put a file X in the directory /u?? /ORACLE/ D (or on VMS DISK2: [ORACLE. D]) if and only if X is a control file, redo log file, or data file of the Oracle Database whose DB_NAME is D X is any database file Note: You may wish to add an additional directory layer if you will have multiple Oracle versions running at the same time This.. .DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH DATABASE ADMINISTRATION Introduction Database Administration has grown over the years from the mere management of a few tables and indexes to a complex interlocking set of responsibilities ranging from managing database objects to participating in enterprise wide decisions on hardware,... © 2003 RAMPANT TECHPRESS ALL RIGHTS RESERVED PAGE 11 DATABASE ADMINISTRATION ROBO BOOKS MONOGRAPH DATABASE ADMINISTRATION entire database is set by the MAXDATAFILES parameter at creation (VMS defaults to 32, UNIX, 16, NT 32) Redo Logs As their name implies, redo logs are used to restore transactions after a system crash or other system failure The redo logs store data about transactions that alter database . w0 h0" alt="" Rampant TechPress Oracle DBA made simple Oracle database administration techniques Mike Ault ROBO B OOKS M ONOGRAPH D ATABASE. © 2003 R AMPANT T ECH P RESS . A LL R IGHTS R ESERVED . ROBO B OOKS M ONOGRAPH D ATABASE A DMINISTRATION R AMPANT T ECH P RESS E B OOK P AGE III Oracle DBA made simple Oracle database. Production Editor: Teri Wade Cover Design: Bryan Hoff Oracle, Oracle7 , Oracle8 , Oracle8 i, and Oracle9 i are trademarks of Oracle Corporation. Oracle In-Focus is a registered Trademark of Rampant