SQL>
SQL>
SQL>
SQL> CREATE TABLE myTable (Name VARCHAR(50) PRIMARY KEY NOT NULL,
2 PhoneNo VARCHAR(15));
Table created.
SQL>
SQL> CREATE TABLE myTableAudit
2 (id INT PRIMARY KEY NOT NULL,
3 Operation VARCHAR(10),
4 RecordedOn DATE DEFAULT SysDate,
5 OldName VARCHAR(50),
6 NewName VARCHAR(50),
7 OldPhone VARCHAR(15),
8 NewPhone VARCHAR(15));
Table created.
SQL>
SQL>
SQL>
SQL> CREATE OR REPLACE TRIGGER myTableAuditTrigger
2 AFTER INSERT OR DELETE OR UPDATE ON myTable
3 FOR EACH ROW
4 BEGIN
5 IF INSERTING THEN
6 INSERT INTO myTableAudit (id, Operation, NewName, NewPhone)
7 VALUES (1, 'Insert ', :NEW.Name, :NEW.PhoneNo);
8 ELSIF DELETING THEN
9 INSERT INTO myTableAudit (id, Operation, OldName, OldPhone)
10 VALUES (1, 'Delete ', :OLD.Name, :OLD.PhoneNo);
11 ELSIF UPDATING THEN
12 INSERT INTO myTableAudit (id, Operation,
13 OldName, OldPhone, NewName, NewPhone)
14 VALUES (1, 'Update ',
15 :OLD.Name, :OLD.PhoneNo, :NEW.Name, :NEW.PhoneNo);
16 END IF;
17 END;
18 /
Trigger created.
SQL>
SQL>
SQL> drop table myTable;
Table dropped.
SQL>
SQL> drop table myTableAudit;
Table dropped.