4>
5> CREATE TABLE stores(
6> stor_id char(4) NOT NULL,
7> stor_name varchar(40) NULL,
8> stor_address varchar(40) NULL,
9> city varchar(20) NULL,
10> state char(2) NULL,
11> zip char(5) NULL
12> )
13> GO
1> insert stores values('1','B','567 Ave.','Tustin', 'CA','92789')
2> insert stores values('2','N','577 St.', 'Los Gatos','CA','96745')
3> insert stores values('3','T','679 St.', 'Portland', 'OR','89076')
4> insert stores values('4','F','89 St.', 'Fremont', 'CA','90019')
5> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2>
3> CREATE TABLE discounts(
4> discounttype varchar(40) NOT NULL,
5> stor_id char(4) NULL ,
6> lowqty smallint NULL,
7> highqty smallint NULL,
8> discount dec(4,2) NOT NULL
9> )
10> GO
1>
2> insert discounts values('Initial Customer', NULL, NULL, NULL, 10.5)
3> insert discounts values('Volume Discount', NULL, 100, 1000, 6.7)
4> insert discounts values('Customer Discount', '8042', NULL, NULL, 5.0)
5> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2> CREATE TRIGGER myTrigger ON stores
3> FOR DELETE
4> AS
5> DECLARE @intRowCount int
6> SELECT @intRowCount = @@RowCount
7> IF @intRowCount > 0
8> BEGIN
9> DELETE sales
10> WHERE stor_id IN (SELECT stor_id FROM deleted)
11> DELETE discounts
12> WHERE stor_id IN (SELECT stor_id FROM deleted)
13> END
14> GO
1>
2>
3> drop TRIGGER myTrigger;
4> drop table stores;
5> drop table discounts;
6> GO