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  • Gather Stats manually using DBMS_STATS after disabling DBMS_SCHEDULER jobs as previous entry Oracle
  • Test Case for Inserting Multiple (2.3 Million rows in 26 Seconds) Oracle
  • tar and untar a dolder with all its subfolder. Linux/Unix
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  • backspace in SQL Plus not working then..? Linux/Unix
  • column level grant syntax Oracle
  • Monitor Long Running Job Oracle
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  • How To Limit The Access To The Database So That Only One User Per Schema Are Connected (One Concurrent User Per Schema) Oracle

Which environment is used by currently running process ( Very good)

Posted on 22-May-2009 By Admin No Comments on Which environment is used by currently running process ( Very good)

Goal After a process has been started, in order to find out the environment that was used to start it, the following methods can be used, depending on the OS platform: Solution 1. Determine the pid of the process at OS level, eg for the smon process: ps -ef | grep smon 2. Get the…

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Linux/Unix, shell

Recovering lost SYS password

Posted on 22-May-2009 By Admin No Comments on Recovering lost SYS password

Recovering from lost sys password using OS authentication on Unix. #1. make sure that the OS user that is logged on is member of the dba group. If the dba group is not known, check the file: $ORACLE_HOME/rdbms/lib/config.c (or config.s) #2. make sure that the sqlnet.ora file does not contain the: sqlnet.authentication_services parameter. If this…

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Oracle, SQL scripts

tar and untar a dolder with all its subfolder.

Posted on 19-May-2009 By Admin No Comments on tar and untar a dolder with all its subfolder.

Following command will be used for Tarring/copying local files and untarring/extracting at target folder. $ tar cf – * | ( cd /target; tar xfp -)

Linux/Unix, shell

longtx.sql with the flag whether session is blocking any DML locks or not.

Posted on 18-May-2009 By Admin No Comments on longtx.sql with the flag whether session is blocking any DML locks or not.

col machine format a30 col sid format 99999 col serial# format 99999 col sid_info format a14 col Transaction_id format a20 col username format a8 col days format 99.99 col hours1 format 999999 col TX_HRS format 999 col USER_HRS format 999 col LOCK format a2 set lines 120 pages 200 select a.sid || ‘,’ || a.serial#…

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Oracle, SQL scripts

FRA Information.

Posted on 18-May-2009 By Admin No Comments on FRA Information.

Applies to: Enterprise Manager for RDBMS – Version: 10.1.0.0 to 11.1 Oracle Server – Enterprise Edition – Version: 10.1.0.0 to 11.1 Information in this document applies to any platform. Purpose This article contains FAQ for Flash Recovery Area ( FRA ) Questions and Answers 1. What is a Flash Recovery Area and how to configure…

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Oracle, SQL scripts

Oracle Connections expire_time and firewall

Posted on 05-May-2009 By Admin No Comments on Oracle Connections expire_time and firewall

When the client or server closes the communication it sends TCP FIN type packet, this is a normal socket closure. However, it is not uncommon that the client server communication abruptly ending without closing the end points properly by sending FIN packet, for example, when the client or server crashed, power down or a network…

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Oracle, SQL scripts

secure crt settings

Posted on 04-May-2009 By Admin No Comments on secure crt settings

Copy on Select The Copy on select feature allows you to speed up the process of copying text from the terminal screen to the Clipboard. If this feature is enabled, text is copied to the Clipboard as soon as it is selected. To enable/disable the Copy on select feature: 1. Select the Terminal category in…

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Linux/Unix, shell

scp with ssh2

Posted on 24-Apr-2009 By Admin No Comments on scp with ssh2

scp -p -o ‘protocol 2’ SOURCE_FILE TARGET_HOST:TARGET_FILE

Linux/Unix, shell

Ports used by Oracle Software

Posted on 03-Mar-2009 By Admin No Comments on Ports used by Oracle Software

files are $ORACLE_HOME/install/setupinfo.txt $ORACLE_HOME/install/portlist.ini

Oracle, SQL scripts

Running some SQL on multiple databases connecting using monitoring userid and password

Posted on 08-Feb-2009 By Admin No Comments on Running some SQL on multiple databases connecting using monitoring userid and password

==>cat tns_entry_list DB1 Db2 Db3 db4 ==>cat find_max_dbfs.ksh #!/bin/ksh for tns_entry in `cat tns_entry_list` do echo “–” echo “——— TNS ENTRY ${tns_entry} ———-” /oracle/app/oracle/product/9.2.0.8/bin/sqlplus monioring_user/monitoring_password@${tns_entry} cat find_max_dbfs.sql set lines 120 pages 200 col “-?db_files_value” format a20 col “MAXDATAFILES” format 9999999999999999 col “USED MAXDATAFILES” format 99999999999999 select ‘-?’ || x.value as “-?db_files_value”, y.records_total “MAXDATAFILES”, y.records_used “USED…

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Linux/Unix, shell

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