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		<title>SQL Server/T-SQL Tutorial/Trigger/Trigger for insert - История изменений</title>
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		<updated>2026-05-26T13:07:17Z</updated>
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		<id>http://sqle.ru/index.php?title=SQL_Server/T-SQL_Tutorial/Trigger/Trigger_for_insert&amp;diff=6808&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;
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				&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;
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	<entry>
		<id>http://sqle.ru/index.php?title=SQL_Server/T-SQL_Tutorial/Trigger/Trigger_for_insert&amp;diff=6809&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-05-26T10:24:14Z</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;== Trigger FOR INSERT, UPDATE==&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;&lt;br /&gt;
3&amp;gt; CREATE TABLE Products (&lt;br /&gt;
4&amp;gt;      ProductID int IDENTITY (1, 1) NOT NULL ,&lt;br /&gt;
5&amp;gt;      ProductName nvarchar (40) NOT NULL ,&lt;br /&gt;
6&amp;gt;      SupplierID int NULL ,&lt;br /&gt;
7&amp;gt;      CategoryID int NULL ,&lt;br /&gt;
8&amp;gt;      QuantityPerUnit nvarchar (20) NULL ,&lt;br /&gt;
9&amp;gt;      UnitPrice money NULL,&lt;br /&gt;
10&amp;gt;     UnitsInStock smallint NULL,&lt;br /&gt;
11&amp;gt;     UnitsOnOrder smallint NULL,&lt;br /&gt;
12&amp;gt;     ReorderLevel smallint NULL,&lt;br /&gt;
13&amp;gt;     Discontinued bit NOT NULL&lt;br /&gt;
14&amp;gt; )&lt;br /&gt;
15&amp;gt; GO&lt;br /&gt;
1&amp;gt;&lt;br /&gt;
2&amp;gt; CREATE TABLE OrderDetails (&lt;br /&gt;
3&amp;gt;      OrderID int NOT NULL ,&lt;br /&gt;
4&amp;gt;      ProductID int NOT NULL ,&lt;br /&gt;
5&amp;gt;      UnitPrice money NOT NULL DEFAULT (0),&lt;br /&gt;
6&amp;gt;      Quantity smallint NOT NULL DEFAULT (1),&lt;br /&gt;
7&amp;gt;      Discount real NOT NULL DEFAULT (0)&lt;br /&gt;
8&amp;gt; )&lt;br /&gt;
9&amp;gt; GO&lt;br /&gt;
1&amp;gt;&lt;br /&gt;
2&amp;gt;    CREATE TRIGGER OrderDetailNotDiscontinued&lt;br /&gt;
3&amp;gt;       ON OrderDetails&lt;br /&gt;
4&amp;gt;       FOR INSERT, UPDATE&lt;br /&gt;
5&amp;gt;    AS&lt;br /&gt;
6&amp;gt;       IF EXISTS&lt;br /&gt;
7&amp;gt;          (&lt;br /&gt;
8&amp;gt;           SELECT &amp;quot;True&amp;quot;&lt;br /&gt;
9&amp;gt;           FROM Inserted i&lt;br /&gt;
10&amp;gt;           JOIN Products p&lt;br /&gt;
11&amp;gt;              ON i.ProductID = p.ProductID&lt;br /&gt;
12&amp;gt;           WHERE p.Discontinued = 1&lt;br /&gt;
13&amp;gt;          )&lt;br /&gt;
14&amp;gt;       BEGIN&lt;br /&gt;
15&amp;gt;          RAISERROR(&amp;quot;Order Item is discontinued. Transaction Failed.&amp;quot;,16,1)&lt;br /&gt;
16&amp;gt;          ROLLBACK TRAN&lt;br /&gt;
17&amp;gt;       END&lt;br /&gt;
18&amp;gt; GO&lt;br /&gt;
1&amp;gt; drop TRIGGER OrderDetailNotDiscontinued;&lt;br /&gt;
2&amp;gt; GO&lt;br /&gt;
1&amp;gt; drop table OrderDetails;&lt;br /&gt;
2&amp;gt; GO&lt;br /&gt;
1&amp;gt; drop table Products;&lt;br /&gt;
2&amp;gt; GO&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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