Is Dbms_output allowed in trigger?

The DBMS_OUTPUT package enables you to send messages from stored procedures, packages, and triggers. The package is especially useful for displaying PL/SQL debugging information.

What are the 12 types of triggers in Oracle?

Trigger Type Combinations

BEFORE statement trigger. Before executing the triggering statement, the trigger action is run.
BEFORE row trigger.
AFTER statement trigger.
AFTER row trigger.

How can we create a schema trigger?

To create a trigger in your own schema on a table in your own schema or on your own schema ( SCHEMA ), you must have the CREATE TRIGGER system privilege. To create a trigger in any schema on a table in any schema, or on another user’s schema ( schema . SCHEMA ), you must have the CREATE ANY TRIGGER system privilege.

How do you fix insufficient privileges?

Action: Ask the database administrator to perform the operation or grant the required privileges. For Trusted Oracle users getting this error although granted the appropriate privilege at a higher label, ask the database administrator to re-grant the privilege at the appropriate label.

What are different types of triggers?

Types of Triggers

Data Manipulation Language (DML) Triggers. DML triggers are executed when a DML operation like INSERT, UPDATE OR DELETE is fired on a Table or View.
Data Definition Language (DDL) Triggers.
LOGON Triggers.
CLR Triggers.

How do you execute a trigger?

To invoke a trigger, a user must have the privilege to execute the data change statement associated with the trigger event. Similarly, to successfully invoke an SQL routine or dynamic compound statement a user must have the EXECUTE privilege on the routine.

Can we debug trigger in Oracle?

To debug an Oracle trigger, do the following: In Database Explorer, expand the Triggers folder and then double-click the trigger you have created and compiled for debugging. Switch to the SQL view to set a breakpoint for the trigger. The Main view is set as default.

Is Dbms_output allowed in trigger?