Enable/disable oracle components using CHOPT utility in oracle 11gR2

Enable/disable oracle components usinig chopt command like utility:

From 11g relase 2, we can enable/disable oracle components using the command line utility called CHOPT.
This utility is located in $ORACLE_HOME/bin location.

In older versions, In order to enable/disable oracle components we have to use  OUI(till 11.1) or we need to enable/disable component at binary level using relink (make) cmd(11.1.0.7)

But from 11g release 2,
Using chopt utility we can enable/disable following components:

dm = Oracle Data Mining RDBMS Files
dv = Oracle Database Vault option
lbac = Oracle Label Security
olap = Oracle OLAP
partitioning = Oracle Partitioning
rat = Oracle Real Application Testing

syntax:  chopt [ enable | disable] db_option

bash-3.00$ chopt
usage:
chopt

options:
dm = Oracle Data Mining RDBMS Files
dv = Oracle Database Vault option
lbac = Oracle Label Security
olap = Oracle OLAP
partitioning = Oracle Partitioning
rat = Oracle Real Application Testing

steps to enable/disable oracle components

1) shutdown the database for which do you want to enable/disable the oracle component.
2) enable/disable the component using chopt command.
3) startup the database and verify the component installed using v$option view.

Eg: Enable partitioning for database

select * from v$option where parameter=’ Partitioning’;

PARAMETER        VALUE
----------------------- -----------
Partitioning      FALSE

shut immediate

cd $ORACLE_HOME/bin

bash-3.00$ chopt enable Partitioning

startup

select * from v$option where parameter=’ Partitioning’;

PARAMETER        VALUE
----------------------- -----------
Partitioning      TRUE