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12c all new Parallel Upgrade utility.

Posted by FatDBA on October 24, 2017

With Oracle Database 12c enters the all new Parallel Upgrade Utility, catctl.pl. This utility exchanges the catupgrd.sql script that was used in earlier releases.
Although you can still use the catupgrd.sql script, it is vilipended starting with Oracle Database 12c and will be removed in future releases.
Oracle urges database upgrades be performed with the new Parallel Upgrade Utility, catctl.pl.

If you choose to run the catupgrd.sql script instead of running catctl.pl, doing so now requires an additional input argument as follows:

SQL> @catupgrd.sql PARALLEL=NO

If you run catupgrd.sql without the parameter, then Oracle displays the following error message:

NOTE:

The catupgrd.sql script is being deprecated in the 12.1 release of Oracle Database. Customers are encouraged to use catctl.pl as the replacement for catupgrd.sql when upgrading the database dictionary.

cd $ORACLE_HOME/rdbms/admin
$ORACLE_HOME/perl/bin/perl catctl.pl -n 4 catupgrd.sql

Refer to the Oracle Database Upgrade Guide for more information.

Hope It Helps
Prashant Dixit

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