Mega Code Archive
Correlated subquery using Group By
<![CDATA[
4>
5>
6> CREATE TABLE Product(
7> ProductID int NOT NULL,
8> Name nvarchar(25) NOT NULL,
9> ProductNumber nvarchar(25) ,
10> Color nvarchar(15) NULL,
11> StandardCost money NOT NULL,
12> Size nvarchar(5) NULL,
13> Weight decimal(8, 2) NULL,
14> ProductLine nchar(20) NULL,
15> SellStartDate datetime NOT NULL,
16> SellEndDate datetime NULL
17> )
18> GO
1> insert into Product values(1,'Product A', '1','Red',123.123,'1',1,'ProductLine A','1999-03-22','2000-03-22');
2> GO
(1 rows affected)
1>
2>
3> insert into Product values(2,'Product B', '2','Yellow',234.234,'1',3,'ProductLine B','2000-03-22','2001-03-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(3,'Product C', '3','Pink',345.345,'1',3,'ProductLine V','2001-09-22','2006-02-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(4,'Product D', '4','White',456.456,'1',4,'ProductLine D','2002-08-22','2006-03-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(5,'Product E', '5','Black',567.567,'1',5,'ProductLine E','2003-01-22','2003-04-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(6,'Product F', '6','Blue',678.678,'1',6,'ProductLine W','2004-02-22','2005-05-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(7,'Product G', '7','Drak',789.789,'1',7,'ProductLine Q','2005-03-22','2006-03-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(8,'Product H', '8','Gray',234.123,'1',8,'ProductLine F','2006-04-22','2006-09-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(9,'Product I', '9','Red',543.123,'1',9,'ProductLine R','2007-05-22','2008-03-22');
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(0,'Product J', '0','Gold',765.123,'1',0,'ProductLine J','2008-06-22','2009-03-22');
4> GO
(1 rows affected)
1>
2>
3>
4>
5>
6> CREATE TABLE SalesOrderDetail(
7> SalesOrderID int NOT NULL,
8> SalesOrderDetailID int NOT NULL,
9> CarrierTrackingNumber nvarchar(25) NULL,
10> OrderQty smallint NOT NULL,
11> ProductID int NOT NULL,
12> SpecialOfferID int NOT NULL,
13> UnitPrice money NOT NULL,
14> UnitPriceDiscount money NOT NULL DEFAULT (0.0),
15> LineTotal AS ISNULL([UnitPrice] * (1.0 - [UnitPriceDiscount]) * [OrderQty], 0.0)
16> );
17> GO
1>
2> insert into SalesOrderDetail values (1,1,'1',1,1,1,$1,$1);
3> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (2,2,'2',2,2,2,$2,$2);
4> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (3,3,'3',3,3,3,$3,$3);
4> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (4,4,'4',4,4,4,$4,$4);
4> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (5,5,'5',5,5,5,$5,$5);
4> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (6,6,'6',6,6,6,$6,$6);
4> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (7,7,'7',7,7,7,$7,$7);
4> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (8,8,'8',8,8,8,$8,$8);
4> GO
(1 rows affected)
1>
2>
3> insert into SalesOrderDetail values (9,9,'9',9,9,9,$9,$9);
4> GO
(1 rows affected)
1>
2>
3>
4>
5> SELECT ProductID
6> , Name
7> FROM Product AS P
8> WHERE 1 =
9> (SELECT ProductID
10> FROM SalesOrderDetail As SD
11> WHERE P.ProductID = SD.ProductID
12> GROUP BY ProductID)
13> GO
ProductID Name
----------- -------------------------
1 Product A
(1 rows affected)
1>
2> drop table Product;
3> GO
1>
2>
3> drop table SalesOrderDetail;
4> GO
]]>