<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="ru">
		<id>http://sqle.ru/index.php?action=history&amp;feed=atom&amp;title=Oracle_PL%2FSQL%2FConstraints%2FAdd_Check_Constraint</id>
		<title>Oracle PL/SQL/Constraints/Add Check Constraint - История изменений</title>
		<link rel="self" type="application/atom+xml" href="http://sqle.ru/index.php?action=history&amp;feed=atom&amp;title=Oracle_PL%2FSQL%2FConstraints%2FAdd_Check_Constraint"/>
		<link rel="alternate" type="text/html" href="http://sqle.ru/index.php?title=Oracle_PL/SQL/Constraints/Add_Check_Constraint&amp;action=history"/>
		<updated>2026-05-25T14:51:15Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>http://sqle.ru/index.php?title=Oracle_PL/SQL/Constraints/Add_Check_Constraint&amp;diff=2562&amp;oldid=prev</id>
		<title> в 13:45, 26 мая 2010</title>
		<link rel="alternate" type="text/html" href="http://sqle.ru/index.php?title=Oracle_PL/SQL/Constraints/Add_Check_Constraint&amp;diff=2562&amp;oldid=prev"/>
				<updated>2010-05-26T13:45:19Z</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 13:45, 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>
			</entry>

	<entry>
		<id>http://sqle.ru/index.php?title=Oracle_PL/SQL/Constraints/Add_Check_Constraint&amp;diff=2563&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
		<link rel="alternate" type="text/html" href="http://sqle.ru/index.php?title=Oracle_PL/SQL/Constraints/Add_Check_Constraint&amp;diff=2563&amp;oldid=prev"/>
				<updated>2010-05-26T10:01:59Z</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;==Add another check constraint==&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;
&lt;br /&gt;
SQL&amp;gt; -- add a check constraint&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; create table myTable (&lt;br /&gt;
  2    a number check (a between 0 and 100),&lt;br /&gt;
  3    b number&lt;br /&gt;
  4  );&lt;br /&gt;
Table created.&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; alter table myTable&lt;br /&gt;
  2    add constraint ch_b check (b &amp;gt; 50);&lt;br /&gt;
Table altered.&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; insert into myTable values(1, 30);&lt;br /&gt;
insert into myTable values(1, 30)&lt;br /&gt;
*&lt;br /&gt;
ERROR at line 1:&lt;br /&gt;
ORA-02290: check constraint (SYS.CH_B) violated&lt;br /&gt;
&lt;br /&gt;
SQL&amp;gt; insert into myTable values(2000, 300);&lt;br /&gt;
insert into myTable values(2000, 300)&lt;br /&gt;
*&lt;br /&gt;
ERROR at line 1:&lt;br /&gt;
ORA-02290: check constraint (SYS.SYS_C004428) violated&lt;br /&gt;
&lt;br /&gt;
SQL&amp;gt; insert into myTable values(2, 3000);&lt;br /&gt;
1 row created.&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; select * from myTable;&lt;br /&gt;
         A          B&lt;br /&gt;
---------- ----------&lt;br /&gt;
         2       3000&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; drop table myTable;&lt;br /&gt;
Table dropped.&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
           &lt;br /&gt;
       &amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

	</feed>