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		<title>Oracle PL/SQL/Char Functions/ASCII - История изменений</title>
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		<updated>2026-05-26T20:56:47Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
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		<id>http://www.sqle.ru/index.php?title=Oracle_PL/SQL/Char_Functions/ASCII&amp;diff=1757&amp;oldid=prev</id>
		<title> в 13:45, 26 мая 2010</title>
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				<updated>2010-05-26T13:45:19Z</updated>
		
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				&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;
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	<entry>
		<id>http://www.sqle.ru/index.php?title=Oracle_PL/SQL/Char_Functions/ASCII&amp;diff=1758&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-05-26T09:58:53Z</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;==ASCII(&amp;quot;A&amp;quot;) ASCII(&amp;quot;Z&amp;quot;) ASCII(&amp;quot;A&amp;quot;) ASCII(&amp;quot;Z&amp;quot;) ASCII(&amp;quot;ABC&amp;quot;)==&lt;br /&gt;
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   &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;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; select ascii(&amp;quot;a&amp;quot;), ascii(&amp;quot;z&amp;quot;)&lt;br /&gt;
  2  ,      ascii(&amp;quot;A&amp;quot;), ascii(&amp;quot;Z&amp;quot;)&lt;br /&gt;
  3  ,      ascii(&amp;quot;ABC&amp;quot;), chr(77)&lt;br /&gt;
  4  from   dual;&lt;br /&gt;
ASCII(&amp;quot;A&amp;quot;) ASCII(&amp;quot;Z&amp;quot;) ASCII(&amp;quot;A&amp;quot;) ASCII(&amp;quot;Z&amp;quot;) ASCII(&amp;quot;ABC&amp;quot;) C&lt;br /&gt;
---------- ---------- ---------- ---------- ------------ -&lt;br /&gt;
        97        122         65         90           65 M&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
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==Ascii: Gives the ASCII value of the first character of a string==&lt;br /&gt;
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  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
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    &amp;lt;source lang=&amp;quot;sql&amp;quot;&amp;gt;&lt;br /&gt;
 &lt;br /&gt;
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SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; --Ascii: Gives the ASCII value of the first character of a string.&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; SELECT ASCII(&amp;quot;first&amp;quot;) FROM dual;&lt;br /&gt;
ASCII(&amp;quot;FIRST&amp;quot;)&lt;br /&gt;
--------------&lt;br /&gt;
           102&lt;br /&gt;
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           &lt;br /&gt;
         &lt;br /&gt;
  &amp;lt;/source&amp;gt;&lt;br /&gt;
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==ASCII() returns the numeric value of the leftmost character of the string.==&lt;br /&gt;
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   &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;&lt;br /&gt;
Syntax: ASCII(&amp;lt;expression&amp;gt;)&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; SELECT&lt;br /&gt;
  2     ASCII(&amp;quot;A&amp;quot;)   uppercase_a,&lt;br /&gt;
  3     ASCII(&amp;quot;abc&amp;quot;) lowercase_a from dual;&lt;br /&gt;
UPPERCASE_A LOWERCASE_A&lt;br /&gt;
----------- -----------&lt;br /&gt;
      65.00       97.00&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>

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