Mega Code Archive
Trigger for delete and deleted table
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9> CREATE TABLE Employees
10> (orderid int NOT NULL,
11> mgrid int NULL,
12> empname varchar(25) NOT NULL,
13> salary money NOT NULL);
14> GO
1>
2> CREATE TABLE OrderDetails(
3> ID int NOT NULL,
4> PartID int NOT NULL,
5> Quantity int NOT NULL);
6> 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>
11> 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> CREATE TRIGGER trg_d_orders_on_delete_cascade ON Employees FOR DELETE
3> AS
4> DELETE FROM OrderDetails
5> FROM
6> OrderDetails AS OD
7> JOIN
8> deleted AS D ON OD.id = D.orderid
9> GO
1>
2>
3>
4> drop table OrderDetails;
5> GO
1>
2> drop table Employees;
3> GO
1>
2>
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