Oracle PL/SQL - Auslöser umbenennen

Oracle PL / SQL - Trigger umbenennen

Dieser Artikel zeigt Ihnen, wie SieALTER TRIGGER verwenden, um einen Trigger umzubenennen.

-- rename a trigger
ALTER TRIGGER original_name RENAME TO new_name;

1. Tabelle + Trigger

Stromrechnung

create table electricity_bill
(
  bill_id number(5) primary key,
  amount number(5)
);

-- Table ELECTRICITY_BILL created.

trg_rename_example

CREATE OR REPLACE TRIGGER trg_rename_example
BEFORE
     UPDATE OR DELETE OR INSERT
ON electricity_bill
  FOR EACH ROW

BEGIN

  dbms_output.put_line('trg_rename_example Trigger called.');

END;

-- Trigger TRG_RENAME_EXAMPLE compiled

2. Beispiel für Trigger umbenennen

2.1 Get all triggers belong to a specified table

SELECT TABLE_NAME,TRIGGER_NAME FROM USER_TRIGGERS WHERE upper(TABLE_NAME) = 'ELECTRICITY_BILL';

TRIGGER_NAME	STATUS
STROMRECHNUNG	TRG_RENAME_EXAMPLE

TRIGGER_NAME

STATUS

STROMRECHNUNG

TRG_RENAME_EXAMPLE

2.2 Rename a trigger.

ALTER TRIGGER trg_rename_example RENAME TO trg_name_updated;

-- output
-- Trigger TRG_RENAME_EXAMPLE altered.

2.3 Check the trigger name again.

SELECT TABLE_NAME,TRIGGER_NAME FROM USER_TRIGGERS WHERE upper(TABLE_NAME) = 'ELECTRICITY_BILL';

TRIGGER_NAME	STATUS
STROMRECHNUNG	TRG_NAME_UPDATED