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  • load SPM baseline from cursor cache Oracle
  • xargs use Linux/Unix
  • Check Oracle installed products using one command Oracle
  • Find long Running Transaction Linux/Unix
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  • Metalink Note: Note:250655.1 : ADDM Basics USING THE AUTOMATIC DATABASE DIAGNOSTIC MONITOR Oracle
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find_du.ksh to find # of files, their sizes in current folder and its subdolder

Posted on 10-Oct-2006 By Admin No Comments on find_du.ksh to find # of files, their sizes in current folder and its subdolder

#!/usr/bin/ksh for dirname in `find . -type “d”` do #print “dirname is $dirname”; tot_files=`ls -rlt $dirname| grep -i “^-” | wc -l` tot_file_size=`ls -rlt $dirname| grep -i “^-” | awk ‘{tot+=$5} END {print tot/1024/1024}’` echo “Folder : $dirname, Total Files : $tot_files, Total File Sizes : $tot_file_size MB” done

Linux/Unix, shell

Looping for remote servers and find its database from oratab file.

Posted on 05-Oct-2006 By Admin No Comments on Looping for remote servers and find its database from oratab file.

if you wish for your Unix Oracle user to be able to connect to the remote server named prodwest, then the prodwest server must contain an .rhosts file in its Oracle user’s home directory. This file must contain an entry allowing the remote Oracle user to connect. Your system administrator can help you configure your…

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Linux/Unix, shell

Validating ORACLE_SID againt oratab file.

Posted on 05-Oct-2006 By Admin No Comments on Validating ORACLE_SID againt oratab file.

The following script shows how to check an Oracle SID to be sure that it’s valid. The script expects the SID to be passed in as the first parameter, and it begins by checking to see if a parameter was even passed. The script next counts the number of times the first parameter value appears…

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Linux/Unix, shell

Some useful Unix Commands

Posted on 05-Oct-2006 By Admin No Comments on Some useful Unix Commands

(1) Find all SQL files that contain “dba” pattern in current directory. find . -name “*sql” -print | xargs grep -i “dba” (2) script to kill all Oracle background processes for a database. This is a common Unix script used by Oracle DBAs when a database is locked up, and Server Manager cannot be used…

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Linux/Unix, shell

Logic to chech # of parameters command line parameters

Posted on 05-Oct-2006 By Admin No Comments on Logic to chech # of parameters command line parameters

# Exit if no first parameter $1. if [ -z “$1” ] then echo “Usage: check_parms.ksh (where value is > 100)” exit 99 fi # Exit if no second parameter $2. if [ -z “$2” ] then echo “Usage: check_parms.ksh (where value is > 100)” exit 99 fi # Exit if parm is not greater…

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Linux/Unix, shell

oracle tips… from http://www.bijoos.com/oracle/douknow.htm

Posted on 03-Oct-2006 By Admin No Comments on oracle tips… from http://www.bijoos.com/oracle/douknow.htm

1998/10 In PL/SQL you can suspend a session using dbms_lock.sleep (seconds) which is equivalent to the ‘sleep’ command in UNIX. The parameter (number data type) can even be specified in hundredth of a second (10, 10.01, 10.5, 0.99 are all legal values). 1998/11 When you TRUNCATE a table, the storage parameter NEXT is automatically reset…

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Oracle, SQL scripts

How to find where datafile is created dbf_info.sql

Posted on 28-Sep-2006 By Admin No Comments on How to find where datafile is created dbf_info.sql

column name format a60 column created format a25 select name, to_char(creation_time, ‘DD-MON-RRRR:HH24:MI’) created from v$datafile_header order by creation_time /

Oracle, SQL scripts

To find explain plan for a statement that occurred in past.

Posted on 27-Sep-2006 By Admin No Comments on To find explain plan for a statement that occurred in past.

Find hash value & time when this plan was taken for particular sql id. Filename : fphv.sql REM *** Find Plan Hash value column plan_hash_value format 999999999999 accept v_sqlid prompt ‘Enter SQL_ID : ‘ select distinct sql_id, plan_hash_value, to_char(timestamp, ‘DD-MON-RRRR:HH24:MI:SS’) from dba_hist_sql_plan where sql_id=’&v_sqlid’; Then, Apply sql id and plan_hash_value for a unique plan. REM…

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Oracle, SQL scripts

currwaitobj.sql SQl_ID and SQL statement you can get from currwaitobj.sql

Posted on 27-Sep-2006 By Admin No Comments on currwaitobj.sql SQl_ID and SQL statement you can get from currwaitobj.sql

set lines 120 pages 200 column event format a30 column object_type format a14 column object_name format a30 column owner format a10 column sql_text format a120 spool currwaitobj accept event_name prompt ‘Enter fraction of event to trace : ‘ accept start_time1 prompt ‘Start Time in (DD-MON-RRRR:HH24:MI format) : ‘ accept stop_time1 prompt ‘Stop Time in (DD-MON-RRRR:HH24:MI…

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Oracle, SQL scripts

Find execution plan from dba_hist_sql_plan for a specific SQL_ID and PLAN_HASH_VALUE fplan.sql

Posted on 27-Sep-2006 By Admin No Comments on Find execution plan from dba_hist_sql_plan for a specific SQL_ID and PLAN_HASH_VALUE fplan.sql

REM fplan.sql REM Find execution plan from dba_hist_sql_plan for a specific SQL_ID and PLAN_HASH_VALUE. column plan_hash_value format 999999999999 accept v_sqlid prompt ‘Enter SQL_ID : ‘ accept v_plan_hash_value prompt ‘Enter PLAN Hash Value : ‘ SELECT LPAD(‘ ‘,2*(LEVEL-1))||operation||’ ‘||options ||’ ‘||object_name ||’ ‘|| DECODE(id, 0, ‘Cost = ‘||position) “Query Plan” FROM dba_hist_sql_plan START WITH id =…

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Oracle, SQL scripts

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