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		<title>SQL Server/T-SQL Tutorial/Sequence Indentity/IDENTITYCOL - История изменений</title>
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		<updated>2026-05-24T20:14:34Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
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	<entry>
		<id>http://www.sqle.ru/index.php?title=SQL_Server/T-SQL_Tutorial/Sequence_Indentity/IDENTITYCOL&amp;diff=6995&amp;oldid=prev</id>
		<title> в 13:46, 26 мая 2010</title>
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				<updated>2010-05-26T13:46:16Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;ru&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Предыдущая&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 13:46, 26 мая 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; style=&quot;text-align: center;&quot; lang=&quot;ru&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(нет различий)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
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	<entry>
		<id>http://www.sqle.ru/index.php?title=SQL_Server/T-SQL_Tutorial/Sequence_Indentity/IDENTITYCOL&amp;diff=6996&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-05-26T10:24:56Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== SELECT IDENTITYCOL FROM yourTable==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;sql&amp;quot;&amp;gt;&lt;br /&gt;
2&amp;gt; CREATE TABLE customer&lt;br /&gt;
3&amp;gt; (&lt;br /&gt;
4&amp;gt; cust_id      smallint        IDENTITY(100, 20)  NOT NULL,&lt;br /&gt;
5&amp;gt; cust_name    varchar(50)     NOT NULL&lt;br /&gt;
6&amp;gt; )&lt;br /&gt;
7&amp;gt; GO&lt;br /&gt;
1&amp;gt;&lt;br /&gt;
2&amp;gt; INSERT customer VALUES (&amp;quot;ACME Widgets&amp;quot;)&lt;br /&gt;
3&amp;gt; INSERT customer (cust_name) VALUES (&amp;quot;AAA Gadgets&amp;quot;)&lt;br /&gt;
4&amp;gt; GO&lt;br /&gt;
(1 rows affected)&lt;br /&gt;
(1 rows affected)&lt;br /&gt;
1&amp;gt;&lt;br /&gt;
2&amp;gt;&lt;br /&gt;
3&amp;gt; SELECT IDENTITYCOL FROM customer&lt;br /&gt;
4&amp;gt; SELECT cust_id FROM customer&lt;br /&gt;
5&amp;gt; GO&lt;br /&gt;
cust_id&lt;br /&gt;
-------&lt;br /&gt;
    100&lt;br /&gt;
    120&lt;br /&gt;
(2 rows affected)&lt;br /&gt;
cust_id&lt;br /&gt;
-------&lt;br /&gt;
    100&lt;br /&gt;
    120&lt;br /&gt;
(2 rows affected)&lt;br /&gt;
1&amp;gt;&lt;br /&gt;
2&amp;gt; drop table customer;&lt;br /&gt;
3&amp;gt; GO&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
&lt;br /&gt;
== Using the IDENTITYCOL Keyword==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;sql&amp;quot;&amp;gt;&lt;br /&gt;
24&amp;gt; CREATE TABLE MyTable (&lt;br /&gt;
25&amp;gt;  key_col int NOT NULL IDENTITY (1,1),&lt;br /&gt;
26&amp;gt;  abc     char(1) NOT NULL&lt;br /&gt;
27&amp;gt; )&lt;br /&gt;
28&amp;gt; INSERT INTO MyTable VALUES (&amp;quot;a&amp;quot;)&lt;br /&gt;
29&amp;gt; INSERT INTO MyTable VALUES (&amp;quot;b&amp;quot;)&lt;br /&gt;
30&amp;gt; INSERT INTO MyTable VALUES (&amp;quot;c&amp;quot;)&lt;br /&gt;
31&amp;gt;&lt;br /&gt;
32&amp;gt;&lt;br /&gt;
33&amp;gt; SELECT&lt;br /&gt;
34&amp;gt;  IDENTITYCOL,&lt;br /&gt;
35&amp;gt;  abc&lt;br /&gt;
36&amp;gt; FROM&lt;br /&gt;
37&amp;gt;  MyTable&lt;br /&gt;
38&amp;gt;&lt;br /&gt;
39&amp;gt;&lt;br /&gt;
40&amp;gt; drop table MyTable&lt;br /&gt;
41&amp;gt; GO&lt;br /&gt;
(1 rows affected)&lt;br /&gt;
(1 rows affected)&lt;br /&gt;
(1 rows affected)&lt;br /&gt;
key_col     abc&lt;br /&gt;
----------- ---&lt;br /&gt;
          1 a&lt;br /&gt;
          2 b&lt;br /&gt;
          3 c&lt;br /&gt;
(3 rows affected)&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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