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		<title>Oracle PL/SQL Tutorial/Table/View Table Structure - История изменений</title>
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		<updated>2026-04-30T14:50:24Z</updated>
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		<id>http://sqle.ru/index.php?title=Oracle_PL/SQL_Tutorial/Table/View_Table_Structure&amp;diff=3082&amp;oldid=prev</id>
		<title> в 13:45, 26 мая 2010</title>
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				<updated>2010-05-26T13:45:46Z</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;
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				&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;
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&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
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	<entry>
		<id>http://sqle.ru/index.php?title=Oracle_PL/SQL_Tutorial/Table/View_Table_Structure&amp;diff=3083&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-05-26T10:05:01Z</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;== Viewing the Structure of a Table==&lt;br /&gt;
&lt;br /&gt;
&amp;lt;p&amp;gt;DESCRIBE command shows the structure of a table.&amp;lt;/p&amp;gt;&lt;br /&gt;
&amp;lt;p&amp;gt;DESCRIBE command can be shortened to DESC (DESC[RIBE]).&amp;lt;/p&amp;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;
SQL&amp;gt; -- create demo table&lt;br /&gt;
SQL&amp;gt; create table Employee(&lt;br /&gt;
  2    ID                 VARCHAR2(4 BYTE)         NOT NULL,&lt;br /&gt;
  3    First_Name         VARCHAR2(10 BYTE),&lt;br /&gt;
  4    Last_Name          VARCHAR2(10 BYTE),&lt;br /&gt;
  5    Start_Date         DATE,&lt;br /&gt;
  6    End_Date           DATE,&lt;br /&gt;
  7    Salary             Number(8,2),&lt;br /&gt;
  8    City               VARCHAR2(10 BYTE),&lt;br /&gt;
  9    Description        VARCHAR2(15 BYTE)&lt;br /&gt;
 10  )&lt;br /&gt;
 11  /&lt;br /&gt;
Table created.&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; desc Employee;&lt;br /&gt;
 Name           Null?    Type&lt;br /&gt;
-------------------------------------------&lt;br /&gt;
 ID            NOT NULL   VARCHAR2(4)&lt;br /&gt;
 FIRST_NAME               VARCHAR2(10)&lt;br /&gt;
 LAST_NAME                VARCHAR2(10)&lt;br /&gt;
 START_DATE               DATE&lt;br /&gt;
 END_DATE                 DATE&lt;br /&gt;
 SALARY                   NUMBER(8,2)&lt;br /&gt;
 CITY                     VARCHAR2(10)&lt;br /&gt;
 DESCRIPTION              VARCHAR2(15)&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt;&lt;br /&gt;
SQL&amp;gt; -- clean the table&lt;br /&gt;
SQL&amp;gt; drop table Employee&lt;br /&gt;
  2  /&lt;br /&gt;
Table dropped.&lt;br /&gt;
SQL&amp;gt;&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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