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  • USE_NL and INDEX hints example Oracle
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useful dg links

Posted on 27-Jan-2010 By Admin No Comments on useful dg links

http://www.oracle.com/technology/obe/11gr2_db_prod/ha/dataguard/dg_broker/dg_broker.htm http://www.oracle.com/technology/obe/11gr2_db_prod/ha/dataguard/activedg/activedg.htm http://www.oracle.com/technology/obe/11gr2_db_prod/ha/dataguard/physstby/physstdby.htm

Oracle, rman-dataguard

Does DBMS_JOB recompute the NEXT_DATE interval after or before

Posted on 24-Jan-2010 By Admin No Comments on Does DBMS_JOB recompute the NEXT_DATE interval after or before

goal: Does DBMS_JOB recompute the NEXT_DATE interval after or before executing the procedure or job? fact: PL/SQL fix: The NEXT_DATE is computed AFTER the job gets executed successfully. The INTERVAL date function is evaluated immediately before a job is executed. If the job completes successfully, the date calculated from INTERVAL becomes the new NEXT_DATE. If…

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Oracle, SQL scripts

Committing distributed transaction using commit force

Posted on 22-Jan-2010 By Admin No Comments on Committing distributed transaction using commit force

Committing Using Only the Transaction ID The following SQL statement commits an in-doubt transaction: COMMIT FORCE ‘transaction_id’; The variable transaction_id is the identifier of the transaction as specified in either the LOCAL_TRAN_ID or GLOBAL_TRAN_ID columns of the DBA_2PC_PENDING data dictionary view. For example, assume that you query DBA_2PC_PENDING and determine that LOCAL_TRAN_ID for a distributed…

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Oracle, SQL scripts

Rollback force for distributed transactions

Posted on 22-Jan-2010 By Admin No Comments on Rollback force for distributed transactions

FORCE Clause Specify FORCE to manually roll back an in-doubt distributed transaction. The transaction is identified by the text containing its local or global transaction ID. To find the IDs of such transactions, query the data dictionary view DBA_2PC_PENDING. A ROLLBACK statement with a FORCE clause rolls back only the specified transaction. Such a statement…

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Oracle, SQL scripts

How to find password change date for user

Posted on 13-Jan-2010 By Admin No Comments on How to find password change date for user

Check user$ table for same.

Oracle, SQL scripts

Sending email with file attachment.

Posted on 07-Jan-2010 By Admin No Comments on Sending email with file attachment.

Single File Attachemnt: ======================= cat test.dat|uuencode test.dat|mailx -s “subject” mailid Multiple file Attachment: ========================= (uuencode INPUTFILE $FILE_STRING.out ;uuencode INPUTFILE $FILE_STRING.err )|mailx -s “SUBJECT” $EMAIL_ID (uuencode INPUTFILE check_dr_notok.log ;uuencode INPUTFILE check_dr_ok.log )|mailx -s “Test multuple attachment” pmehta@1800flowers.com (uuencode check_dr_notok.log check_dr_notok.log ;uuencode check_dr_ok.log check_dr_notok.log)|mailx -s “Test multuple attachment” pmehta@1800flowers.com

Linux/Unix, shell

Kernel Parameters for Solaris

Posted on 05-Jan-2010 By Admin No Comments on Kernel Parameters for Solaris

* pre Solaris 10 * ——————- To view the current values of these parameters, enter the following commands: # grep noexec_user_stack /etc/system # /usr/sbin/sysdef | grep SEM # /usr/sbin/sysdef | grep SHM * Post Solaris 10 * =================== In Solaris 10, you are not required to make changes to the /etc/system file to implement the…

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Linux/Unix, shell

switchover for primary database

Posted on 31-Dec-2009 By Admin No Comments on switchover for primary database

ALTER DATABASE commit TO switchover TO physical PRIMARY WITH session shutdown nowait;

Oracle, rman-dataguard

Physical Standby switchover with session active

Posted on 30-Dec-2009 By Admin No Comments on Physical Standby switchover with session active

In order to perform a switchover all sessions to the database need to be disconnected. In version 901 this was a manual process. In version 9.2.0 this process has been automated with the “with session shutdown” clause that has been added to the alter database commit to switchover command. If SWITCHOVER_STATUS returns SESSIONS ACTIVE then…

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Oracle, rman-dataguard

Monitor Long Running Job

Posted on 20-Dec-2009 By Admin No Comments on Monitor Long Running Job

SELECT SID, SERIAL#, CONTEXT, SOFAR, TOTALWORK, ROUND(SOFAR/TOTALWORK*100,2) “% COMPLETE” FROM V$SESSION_LONGOPS WHERE OPNAME LIKE ‘RMAN%’ AND OPNAME NOT LIKE ‘%aggregate%’ AND TOTALWORK != 0 AND SOFAR TOTALWORK /

Oracle, SQL scripts

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