Is it possible to use Transactional control statements in Database Triggers?

Is it possible to Enable or Disable a Database trigger ?

What are the different events in Triggers ?

SYSTEM.EFFECTIVE.DATE varaible is

When do you get a .PLL extension ?

What is built_in Subprogram ?

GET_BLOCK property is a

A CONTROL BLOCK can sometimes refer to a BASETABLE ?

List of Values (LOV) supports

Can we attach the same LOV to different fields in Design time ?