Mega Code Archive
Trigger for delete using deleted table
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5> CREATE TABLE OrderDetails(
6> ID int NOT NULL,
7> PartID int NOT NULL,
8> Quantity int NOT NULL);
9> GO
1>
2> INSERT INTO OrderDetails VALUES(10001, 11, 12)
3> INSERT INTO OrderDetails VALUES(10001, 42, 10)
4> INSERT INTO OrderDetails VALUES(10001, 72, 5)
5> INSERT INTO OrderDetails VALUES(10002, 14, 9)
6> INSERT INTO OrderDetails VALUES(10002, 51, 40)
7> INSERT INTO OrderDetails VALUES(10003, 41, 10)
8> INSERT INTO OrderDetails VALUES(10003, 61, 35)
9> INSERT INTO OrderDetails VALUES(10003, 65, 15)
10> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2>
3> CREATE TABLE Employees
4> (orderid int NOT NULL,
5> mgrid int NULL,
6> empname varchar(25) NOT NULL,
7> salary money NOT NULL);
8> GO
1>
2>
3> CREATE TRIGGER myTrigger ON Employees FOR DELETE
4> AS
5> IF EXISTS(SELECT *
6> FROM
7> OrderDetails AS OD
8> JOIN
9> deleted AS D ON OD.id = D.orderid)
10> BEGIN
11> RAISERROR('The Employee you are trying to delete have related rows
12~ in OrderDetails. TRANSACTION rolled back.', 10, 1)
13> ROLLBACK TRANSACTION
14> END
15> GO
1>
2> drop table OrderDetails;
3> GO
1>
2>
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