в 13:46, 26 мая 2010

2010-05-26T13:46:16Z

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2010-05-26T10:22:45Z

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== Break out of a while loop==



<source lang="sql">
3> CREATE TABLE Product(
4> ProductID int NOT NULL,
5> Name nvarchar(25) NOT NULL,
6> ProductNumber nvarchar(25) ,
7> Color nvarchar(15) NULL,
8> StandardCost money NOT NULL,
9> Size nvarchar(5) NULL,
10> Weight decimal(8, 2) NULL,
11> ProductLine nchar(20) NULL,
12> SellStartDate datetime NOT NULL,
13> SellEndDate datetime NULL
14> )
15> 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> WHILE (SELECT AVG(StandardCost) FROM Product) < $1200
6> BEGIN
7> UPDATE Product SET StandardCost = StandardCost * 1.25
8> SELECT MAX(StandardCost) FROM Product
9> IF (SELECT MAX(StandardCost) FROM Product) > $4000
10>
11> BREAK
12> ELSE
13>
14> CONTINUE
15> END
16> PRINT "Done."
17> GO
(10 rows affected)
---------------------
987.2363
(10 rows affected)
---------------------
1234.0454
(10 rows affected)
---------------------
1542.5568
(10 rows affected)
---------------------
1928.1960
(10 rows affected)
---------------------
2410.2450
(1 rows affected)
Done.
1>
2>
3> drop table Product;
4> GO
1>
2></source>

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в 13:46, 26 мая 2010

Admin: 1 версия