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  • Good RAC & Standby Notes Oracle
  • How to find who is using which Rollback segment and how many rows or blocks in that rollback segments, Oracle
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  • Specify the Rollback segment to use in Transaction Oracle
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  • changing kernel parameter in Oracle Enterpise Linux Linux/Unix
  • How to know current SID Oracle
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  • oracle fast start failover best practice Oracle

Year: 2006

Disbaling DBA_SCHEDULER_JOBS

Posted on 21-Feb-2006 By Admin No Comments on Disbaling DBA_SCHEDULER_JOBS

select job_name, state from dba_scheduler_jobs SQL> execute DBMS_SCHEDULER.DISABLE(‘GATHER_STATS_JOB’); PL/SQL procedure successfully completed. SQL> execute DBMS_SCHEDULER.DISABLE(‘PURGE_LOG’); PL/SQL procedure successfully completed. SQL> commit; Commit complete. SQL>

Oracle, SQL scripts

Directory wise folder wise space usage

Posted on 07-Feb-2006 By Admin No Comments on Directory wise folder wise space usage

find . -type d -exec du -sk {} ;

Linux/Unix, shell

To check whether standby is recovering properly or not??

Posted on 03-Feb-2006 By Admin No Comments on To check whether standby is recovering properly or not??

– Check Alert.log of standby server.

Oracle, rman-dataguard

sid_wise_sql.sql Further explaination

Posted on 31-Jan-2006 By Admin No Comments on sid_wise_sql.sql Further explaination

After getting output from sid_wise_sql.sql, you can use TOP unix command to see whether those unix processes are consuming some CPU or Memory?? This will be useful to detelrmine whether a session is doing somehing or just hanging..

Oracle, SQL scripts

Roles and Stored Procs II

Posted on 31-Jan-2006 By Admin No Comments on Roles and Stored Procs II

Problem Resolution For roles and Stored Procedures. http://asktom.oracle.com/pls/ask/f?p=4950:8:::::F4950_P8_DISPLAYID:961430030094 http://asktom.oracle.com/~tkyte/Misc/RolesAndProcedures.html As per http://asktom.oracle.com/pls/ask/f?p=4950:8:::::F4950_P8_DISPLAYID:961430030094 with tom kyte, he has mentioned that we cannot compile this unless we give direct object privs to Owner of procedure, as at compile time AUTHID DEFINER and AUTHID CURRENT_USERS behave same. They both compile as per the definers privs. We can resolve…

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Oracle, SQL scripts

Identical Dblink Issue…

Posted on 30-Jan-2006 By Admin No Comments on Identical Dblink Issue…

After discussion with The Oracle Support following is the conclusion. This appears to be the same problem as discussed in the following note and bug report: – Note:215123.1 “Procedures Get Invalidated When Database Link Names are Identical” – Bug:2485372 “OBJECTS SHARED SAME REMOTE OBJECT NAME INVALIDATES EACH OTHER” The conclusion is that this is working…

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Oracle, SQL scripts

How to check current redo log progress redo_progress.sql

Posted on 30-Jan-2006 By Admin No Comments on How to check current redo log progress redo_progress.sql

select le.leseq “Current log sequence No”, 100*cp.cpodr_bno/le.lesiz “Percent Full”, cp.cpodr_bno “Current Block No”, le.lesiz “Size of Log in Blocks” from x$kcccp cp, x$kccle le where LE.leseq =CP.cpodr_seq and bitand(le.leflg,24)=8;

Oracle, SQL scripts

sid_wise_sql.sql

Posted on 30-Jan-2006 By Admin No Comments on sid_wise_sql.sql

accept u_name prompt ‘Enter User Name (Enter NONE if want SID specific query): ‘ accept s_id prompt ‘Enter SID (Enter 0 for Userspecific Query): ‘ select a.sid, b.sql_text, a.sql_id, c.spid, b.executions, b.disk_reads, b.elapsed_time, b.cpu_time, b.buffer_gets from v$session a, v$sqlarea b, v$process c where a.sql_id = b.sql_id(+) and (a.username = upper(‘&u_name’) or a.sid = &s_id )…

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Oracle, SQL scripts

All About Trace Fils

Posted on 26-Jan-2006 By Admin No Comments on All About Trace Fils

********************************************* ***** (1) TOOLS TO ANALYZE TRACE FILES. ***** ********************************************* Mainly 2 tools to analyze trace files. (A) tkprof (B) trcsess (from oracle 10g). This tool has been designed to deal with the new trace facilities that allow trace to be identified based on client identifier or by a combination of service name / module…

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Oracle, SQL scripts

Korn Shell Arithmatic

Posted on 23-Jan-2006 By Admin No Comments on Korn Shell Arithmatic

Method 1 ======== One more way of adding two numbers. Which one to use depends on which shell it is. d=400 e=52 f=`expr $d + $e` print $f Method 2 ======== #!/usr/bin/ksh let a=$1 let b=$2 let c=a+b print $c

Linux/Unix, shell

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