How do I recompile a trigger in Oracle?

Use the ALTER TRIGGER statement to enable, disable, or compile a database trigger. Note: This statement does not change the declaration or definition of an existing trigger. To redeclare or redefine a trigger, use the CREATE TRIGGER statement with the OR REPLACE keywords.

How do I compile a trigger in Oracle SQL Developer?

Use the ALTER TRIGGER statement to recompile a trigger manually. Example: Recompiling a Trigger shows the use of the SQL ALTER TRIGGER statement to recompile the emp_log_update trigger.

Can we create trigger on view in Oracle?

When you issue a DML statement such as INSERT , UPDATE , or DELETE to a non-updatable view, Oracle will issue an error. Check it out for more information on the updatable view. In Oracle, you can create an INSTEAD OF trigger for a view only. You cannot create an INSTEAD OF trigger for a table.

How do you stop a trigger in Oracle?

To disable a trigger, you use the ALTER TRIGGER DISABLE statement:

ALTER TRIGGER trigger_name DISABLE;
ALTER TRIGGER customers_audit_trg DISABLE;
ALTER TABLE table_name DISABLE ALL TRIGGERS;
ALTER TABLE customers DISABLE ALL TRIGGERS;

How do you check if a trigger is enabled in Oracle?

user_triggers is the table where all triggers created, specific to the schema, are located. So, SELECT STATUS FROM USER_TRIGGERS WHERE TRIGGER_NAME = ‘the_trigger_name’; will fetch the status of either ENABLED or DISABLED .

How do you check if trigger is working in Oracle?

Can we write trigger for a view?

Triggers may be created on views, as well as ordinary tables, by specifying INSTEAD OF in the CREATE TRIGGER statement. If one or more ON INSERT, ON DELETE or ON UPDATE triggers are defined on a view, then it is not an error to execute an INSERT, DELETE or UPDATE statement on the view, respectively.

What is new and old in trigger Oracle?

About OLD and NEW Pseudorecords For the row that the trigger is processing: For an INSERT trigger, OLD contains no values, and NEW contains the new values. For an UPDATE trigger, OLD contains the old values, and NEW contains the new values. For a DELETE trigger, OLD contains the old values, and NEW contains no values.

What happens when a trigger is recompiled in Oracle?

Oracle Database first recompiles objects upon which the trigger depends, if any of these objects are invalid. If the database recompiles the trigger successfully, then the trigger becomes valid. During recompilation, the database drops all persistent compiler switch settings, retrieves them again from the session,…

What does a trigger in Oracle logon mean?

A trigger is called Oracle logon trigger if it is associated with logon action on triggering event. This is system triggers

How to compile an oracle trigger in PLSQL?

If SQLPlus reports Trigger compiled with errors (or something similar), just type SHOW ERRORS for more information. Not the answer you’re looking for? Browse other questions tagged oracle plsql sqlplus or ask your own question.

How to disable alter trigger in Oracle Database?

When this trigger is created, Oracle Database enables it automatically. You can subsequently disable the trigger with the following statement: ALTER TRIGGER update_job_history DISABLE; When the trigger is disabled, the database does not fire the trigger when an UPDATE statement changes an employee’s job.

How do I recompile a trigger in Oracle?