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Database triggers

Database triggers were implemented in Firebird 2.1. The triggers are user-defined PSQL modules that can be designed to fire in various connection-level and transaction-level events.

 

 

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

or

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.

       

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

or

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

or

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 (alternatively, you may use the corresponding link of the Navigation Bar)

 

and confirm dropping in the dialog window.

 



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