How do you modify an existing 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 you modify a trigger?

To modify a DML trigger

  1. In Object Explorer, connect to an instance of Database Engine and then expand that instance.
  2. Expand the database that you want, expand Tables, and then expand the table that contains the trigger that you want to modify.
  3. Expand Triggers, right-click the trigger to modify, and then click Modify.

How do I edit a trigger in Oracle SQL Developer?

Changing Triggers To change a trigger, use either the SQL Developer tool Edit or the DDL statement CREATE TRIGGER with the OR REPLACE clause.

How do you rename a trigger in Oracle?

— rename a trigger ALTER TRIGGER original_name RENAME TO new_name;

  1. Table + Trigger. electricity_bill.
  2. Rename Trigger example. 2.1 Get all triggers belong to a specified table SELECT TABLE_NAME,TRIGGER_NAME FROM USER_TRIGGERS WHERE upper(TABLE_NAME) = ‘ELECTRICITY_BILL’;

How do you compile a trigger in Oracle?

How do I recompile a trigger in Oracle?

Recompiling Triggers 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.

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.

How do I compile a trigger in 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 triggers be enabled or disabled?

To enable a trigger, causes it to fire when any Transact-SQL statements on which it was originally programmed are run. Triggers are disabled by using DISABLE TRIGGER. DML triggers defined on tables can also be disabled or enabled by using ALTER TABLE.