Trigger Type
Choose the type of trigger: TABLE, VIEW, SCHEMA and DATABASE
Enable
An enabled trigger runs its trigger action if a triggering statement is issued and the trigger restriction (if any) evaluates to true.
Fire
When defining a trigger, you can specify the trigger timing - whether the trigger action is to be run BEFORE or AFTER the triggering statement.
When
To specify the trigger condition, which is a SQL condition that must be satisfied for the database to fire the trigger.
Events
The kind of statement that activates the trigger.