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Author: Admin

cp_filesystem.sql

Posted on 15-Sep-2009 By Admin No Comments on cp_filesystem.sql

exec dbms_output.enable(10000); set lines 130 pages 1000 set serveroutput on size 1000000 declare cursor c1 is select substr(name,1,61) complete_filename, bytes/(1024) KB, substr(name, instr(name, ‘/’, -1)+1) only_filename from v$datafile order by file#; threshold_kb number(10) := 94000000 ; size_counter number := 0; mountpoint_counter number := 1; mountpoint_prefix varchar2(10) := ‘/800t’; common_mountpoint_prefix varchar2(15) := ‘/oradata/800T/’; target_filename varchar2(61); begin…

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Oracle, SQL scripts

Caching sequence in Memory

Posted on 14-Sep-2009 By Admin No Comments on Caching sequence in Memory

ALTER SEQUENCE CS.SESSION_ACTIVE_SEQ_ID CACHE 2000; exec sys.DBMS_SHARED_POOL.KEEP(‘CS.SESSION_ACTIVE_SEQ_ID ‘, ‘Q’) =>> To pin the sequence using the DMBS_SHARED_POOL.KEEP procedure (IF NEEDED) Potential drawbacks Setting a cache size larger then 0 can result in the loss of sequence values if the system is shutdown abruptly. When the system fails, the values that were preserved in memory are…

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Oracle, SQL scripts

Remove DOS CR/LFs (^M)

Posted on 11-Sep-2009 By Admin No Comments on Remove DOS CR/LFs (^M)

Remove DOS style CR/LF characters (^M) from UNIX files using: sed -e ‘s/^M$//’ filename > tempfile The newly created tempfile should have the ^M character removed

Linux/Unix, shell

RMAN : Consistent Backup, Restore and Recovery using RMAN

Posted on 09-Sep-2009 By Admin No Comments on RMAN : Consistent Backup, Restore and Recovery using RMAN

Subject: RMAN : Consistent Backup, Restore and Recovery using RMAN Doc ID: 162855.1 Oracle9i Lab 1 Consistent Backup, Restore and Recovery using RMAN In Oracle9i, Recovery Manager still works the same as in 8 and 8i with enhancements for ease of use and manageability. Using the updateable persistent configuration options, backing up the database is…

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Oracle, rman-dataguard

Backup and Recovery Scenarios

Posted on 09-Sep-2009 By Admin No Comments on Backup and Recovery Scenarios

Backup and Recovery Scenarios Doc ID: 94114.1 In this Document Purpose Last Review Date Instructions for the Reader Troubleshooting Details BACKUP SCENARIOS a) Consistent backups b) Inconsistent backups c) Database Archive mode d) Backup Methods e) Incremental backups f) Support scenarios RECOVERY SCENARIOS 1. Online Block Recovery. 2. Thread Recovery. 3. Media Recovery. Media Failure…

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Oracle, rman-dataguard

Benefits and Usage of RMAN with Standby Databases

Posted on 09-Sep-2009 By Admin No Comments on Benefits and Usage of RMAN with Standby Databases

Subject: Benefits and Usage of RMAN with Standby Databases Doc ID: 602299.1 Applies to: Oracle Server – Enterprise Edition – Version: 9.0.1.4 to 11.1.0.6 Information in this document applies to any platform. Goal Benefits and Usage of RMAN with Standby Databases . Solution RMAN can back up the standby database and its associated archived redo…

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Oracle, rman-dataguard

backspace in SQL Plus not working then..?

Posted on 01-Sep-2009 By Admin No Comments on backspace in SQL Plus not working then..?

If you set “stty erase ^H” on unix prompt and it works fine on unix prompt. But not working on SQLPLUS then you need to put “stty erase ^H” in .kshrc file as following. -> pwd /home/oracle oem.localdomain:OEMDB:/home/oracle -> more .kshrc stty erase ^H oem.localdomain:OEMDB:/home/oracle ->

Linux/Unix, shell

Changing default shell

Posted on 01-Sep-2009 By Admin No Comments on Changing default shell

Following statement will be used to change default shell to /bin/ksh for oracle user. [root@oem ~]# chsh -s /bin/ksh oracle Changing shell for oracle. Shell changed. [root@oem ~]#

Linux/Unix, shell

Oracle 11g Environment Setup

Posted on 01-Sep-2009 By Admin No Comments on Oracle 11g Environment Setup

11g Environment Setting: ======================= —————————————————————– ==>cat .profile . /oracle/app/oracle/set_env_var_dba PS1=” `hostname`*${ORACLE_SID}-${PWD} ==>” EDITOR=vi; export EDITOR set -o vi stty erase PATH=$PATH:. dba() { cd /oracle/app/oracle/scripts/MAINT/DBA/bin } ———————————————————————————— ==>cat /oracle/app/oracle/set_env_var_dba # This File Sets all the Oracle Environment Variables and is called from # Each Users’s . profile file. # # Please Don’t change these settings…

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Oracle, SQL scripts

New OFA for 11g

Posted on 25-Aug-2009 By Admin No Comments on New OFA for 11g

export INSTANCE_NAME=`echo $ORACLE_SID | tr ‘[:upper:]’ ‘[:lower:]’` export ORA_BDUMP=$ORACLE_HOME/admin/”$ORACLE_SID”_`hostname`/diag/rdbms/$INSTANCE_NAME/$ORACLE_SID/trace

Oracle, SQL scripts

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