Database Blog

Export APEX Application Backup Using Application ID from BACKEND

Shell Script : #BASH export APEX_UTIL_HOME=/u01/Soft/apex/utilities export ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1 export CLASSPATH=.:${ORACLE_HOME}/oui/jlib/classes12.jar export JAVA_HOME=/usr/java/jdk1.7.0_60/jre export PATH=/usr/java/jdk1.7.0_60/bin:$PATH export BACKUP_LOC=/u02/${ORACLE_SID}/APEX/backups export CURRDATE=`date ‘+%Y”%m”%d”%H”%M’` if [[ ! -e $BACKUP_LOC ]]; then     mkdir -p…

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ORACLE GOLDEN GATE – ZERO DOWNTIME

Introduction: Zero downtime is used to perform a cross platform database migration (in our scenario  Linux to CentOS) and also a database upgrade (in our scenario from 10g to 11g…

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ORACLE GOLDEN GATE – UNIDIRECTIONAL

Introduction: Oracle Golden Gate is a comprehensive software package for real-time data integration and replication in heterogeneous IT environments. The product  enables different business requirements like high availability solutions, real-time…

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Rectify lossy data before changing the character set.

As everyone knows the biggest task of changing the character set is clean up the lossy data. Challenge is if we have records in millions means how we are going…

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Cluster verify utility fails with the user eqivelence test PRVF-4007 : User equivalence check failed for user “grid”

 ./runcluvfy.sh stage -pre crsinst -fixup -n racinst1.doyensys.com,racinst2.doyensys.com -verbose Performing pre-checks for cluster services setup Checking node reachability… Check: Node reachability from node “Rac1”   Destination Node                      Reachable?   ————————————  ————————…

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Installation of 11gR2 Rac on RHEL using VMware and Openfiler

Oracle RAC Architecture  A general pictorial guide for how to the install RHEL 5.4 for Oracle RAC can be found here   Hostname & IP Requirement Machine Public IP Private IP VIP  Storage IP RAC Node1 192.168.1.16 192.168.0.21 192.168.1.21…

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Install and configure openfiler (SAN) storage On VMware

Download OpenFiler from the  link  Click here to download Lets start the OpenFiler installation:                         Bring down the VMware in Power off mode before the start of Disk Creation.      …

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ORA-00600: internal error code, arguments: [4194]

ERROR: ====== ORA-00600: internal error code, arguments: [4194], [#], [#], [], [], [], [], [] CAUSE: ====== This also can be cause by the following defect Bug 8240762 Abstract: Undo…

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Expdp Hangs :-

Experience on EXP JOB Hangs :- Oracle DB Version – 10.1/Sun Solaris 5.8 Expdp/Exp hangs for more than 4 hrs, No errors were reported in the alert log and no blocking Session.…

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Step by Step Asm Instance And Database Creation

                                  Disk creation in vmware Click Add Button Click Next Button Click Next Button Click ide and next Button Size 3gb Click Next Button Click Finish Button Add another one…

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