同事那里了解到的：
Oracle has introduced a utility called Chopt in 11gR2 to enable/disable few database features after database installation. To perform this, you need to shut down database and run the utilty present under $ORACLE_HOME/bin. Find below list of options allowed
|
Value |
Description |
|
dm |
Oracle Data Mining Database Files |
|
dv |
Oracle Database Vault |
|
lbac |
Oracle Label Security |
|
olap |
Oracle OLAP |
|
partitioning |
Oracle Partitioning |
|
rat |
Oracle Real Application Testing |
|
ode_net |
Oracle Database Extensions for .NET 1.x |
|
ode_net_2 |
Oracle Database Extensions for .NET 2.0 |
e.g To enable Database Vault, you need to issue following command
$chopt enable dv