Oracle PL/SQL – Rename Trigger
This article shows you how to use ALTER TRIGGER
to rename a trigger.
-- rename a trigger
ALTER TRIGGER original_name RENAME TO new_name;
1. Table + Trigger
electricity_bill
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. 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';
TRIGGER_NAME | STATUS |
---|---|
ELECTRICITY_BILL | 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 |
---|---|
ELECTRICITY_BILL | TRG_NAME_UPDATED |
References
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