Download - Upgrading Oracle DB 11.2.0.1 to 11.2.0.3
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Upgrading Oracle DB 11.2.0.1 to 11.2.0.3
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There are various ways to upgrade to Oracle 11.2.0.3 and I will be performing an out-of-
place upgrade (best practice) using the Database Configuration Assistant (DBUA).
Select values from v$version (Pre-install) -
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One of the first steps before upgrading is to check any issues that you may encounter
during the upgrade process. There is an Pre-Upgrade Information Tool that can be
downloaded from the Oracle Support site. This is basically a pre-upgrade script that can be
executed on the database and it gathers information about the database configuration and
settings that might need to be modified/updated before the actual upgrade. There are
various scripts depending upon from which version you are upgrading to Oracle 11.2.0.3, I
will be using the utlu112i_5.sql.
Log in to the system as the owner of the Oracle Home and connect to the database as
SYSDBA and execute the above script and spool it to a file
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Resolving errors and warnings
1.Emptying recycle bin
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Gathering dictionary statistics
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Download the Oracle Database Patch set (1040530) from the Oracle Support site.
Go to the new installation downloads and run installation
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When finished, set the environment variable for new home -
$export ORACLE_HOME=/oracle/app/oracle/product/11.2.0/dbhome_2
$export PATH=$ORACLE_HOME/bin:$PATH
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Copy the init/spfile and password files from the 11.2.0.1 to 11.2.0.3.
Copy the listener.ora, sqlnet.ora and tnsnames.ora files from 11.2.0.1 to 11.2.0.3.
Start the services and
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Check the latest version with select * from v$version;