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A database trigger a stored PL/SQL block associated with the database. Oracle Database automatically executes a trigger when specified conditions occur.

New database triggers are created within Create Database Trigger Wizard. In order to run the wizard you should either

•	select the Object \| Create Database Object... main menu item;

•	select the Database Trigger icon in the Create Database Object dialog

•	select the Database Trigger list or any object from that list in the explorer tree;

•	select the Create New Database Trigger... item from the popup menu

•	open the schema in Schema Editor and the Database Triggers tab there;

•	press the Insert key or select the Create New Database Trigger item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar).

To create a new database trigger with the same properties as one of the existing database trigger has:

•	select the Object \| Duplicate Database Object... main menu item;

•	follow the instructions of Duplicate Object Wizard.

Database triggers can be edited within Database Trigger Editor. In order to run the editor you should either

•	select the database trigger for editing in the explorer tree (type the first letters of the database trigger name for quick search);

•	select the Edit Database Trigger ... item from the popup menu

•	open the database in Database Editor and the Database Triggers tab there;

•	select the database trigger to edit;

•	press the Enter key or select the Edit Database Trigger item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar).

You can change the name of the database trigger using the Rename Database Trigger dialog. To open the dialog you should either

•	select the database trigger to rename in the explorer tree;

•	select the Rename Database Trigger item from the popup menu

•	open the database in Database Editor and the Database Triggers tab there;

•	select the database trigger to rename;

•	select the Rename Database Trigger item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar).

To drop a database trigger:

•	select the database trigger to drop in the explorer tree;

•	select the Drop Database Trigger item from the popup menu

•	open the schema in Schema Editor and the Database Triggers tab there;

•	select the database trigger to drop;

•	press the Delete key or select the Drop Database Trigger item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar)

and confirm dropping in the dialog window.