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SQL Server/T-SQL Tutorial/Query/IS NOT NULL - История изменений
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в 13:46, 26 мая 2010
2010-05-26T13:46:16Z
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Admin: 1 версия
2010-05-26T10:23:20Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== A SELECT statement that retrieves rows without null values==<br />
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<!-- start source code --><br />
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<source lang="sql"><br />
4><br />
5> create table Billings (<br />
6> BankerID INTEGER,<br />
7> BillingNumber INTEGER,<br />
8> BillingDate datetime,<br />
9> BillingTotal INTEGER,<br />
10> TermsID INTEGER,<br />
11> BillingDueDate datetime ,<br />
12> PaymentTotal INTEGER,<br />
13> CreditTotal INTEGER<br />
14><br />
15> );<br />
16> GO<br />
1><br />
2> INSERT INTO Billings VALUES (1, 1, "2005-01-22", 165, 1,"2005-04-22",123,321);<br />
3> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (2, 2, "2001-02-21", 165, 1,"2002-02-22",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (3, 3, "2003-05-02", 165, 1,"2005-04-12",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (4, 4, "1999-03-12", 165, 1,"2005-04-18",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (5, 5, "2000-04-23", 165, 1,"2005-04-17",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (6, 6, "2001-06-14", 165, 1,"2005-04-18",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (7, 7, "2002-07-15", 165, 1,"2005-04-19",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (8, 8, "2003-08-16", 165, 1,"2005-04-20",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (9, 9, "2004-09-17", 165, 1,"2005-04-21",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1> INSERT INTO Billings VALUES (0, 0, "2005-10-18", 165, 1,"2005-04-22",123,321);<br />
2> GO<br />
(1 rows affected)<br />
1><br />
2><br />
3> SELECT *<br />
4> FROM Billings<br />
5> WHERE BillingTotal IS NOT NULL<br />
6> GO<br />
BankerID BillingNumber BillingDate BillingTotal TermsID BillingDueDate PaymentTotal CreditTotal<br />
----------- ------------- ----------------------- ------------ ----------- ----------------------- ------------ -----------<br />
1 1 2005-01-22 00:00:00.000 165 1 2005-04-22 00:00:00.000 123 321<br />
2 2 2001-02-21 00:00:00.000 165 1 2002-02-22 00:00:00.000 123 321<br />
3 3 2003-05-02 00:00:00.000 165 1 2005-04-12 00:00:00.000 123 321<br />
4 4 1999-03-12 00:00:00.000 165 1 2005-04-18 00:00:00.000 123 321<br />
5 5 2000-04-23 00:00:00.000 165 1 2005-04-17 00:00:00.000 123 321<br />
6 6 2001-06-14 00:00:00.000 165 1 2005-04-18 00:00:00.000 123 321<br />
7 7 2002-07-15 00:00:00.000 165 1 2005-04-19 00:00:00.000 123 321<br />
8 8 2003-08-16 00:00:00.000 165 1 2005-04-20 00:00:00.000 123 321<br />
9 9 2004-09-17 00:00:00.000 165 1 2005-04-21 00:00:00.000 123 321<br />
0 0 2005-10-18 00:00:00.000 165 1 2005-04-22 00:00:00.000 123 321<br />
(10 rows affected)<br />
1><br />
2> drop table Billings;<br />
3> GO<br />
1></source></div>
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