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		<title>Java Tutorial/Database/ParameterMetaData - История изменений</title>
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		<updated>2026-04-23T14:19:29Z</updated>
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		<title>Admin: 1 версия</title>
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				<updated>2010-06-01T05:05:53Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&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 05:05, 1 июня 2010&lt;/td&gt;
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		<author><name>Admin</name></author>	</entry>

	<entry>
		<id>http://www.jexp.ru/index.php?title=Java_Tutorial/Database/ParameterMetaData&amp;diff=4775&amp;oldid=prev</id>
		<title> в 17:44, 31 мая 2010</title>
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				<updated>2010-05-31T17:44:27Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==  Display Parameter information stored in the PreparedStatement ==&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;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.sql.Connection;&lt;br /&gt;
import java.sql.DriverManager;&lt;br /&gt;
import java.sql.PreparedStatement;&lt;br /&gt;
import java.sql.Statement;&lt;br /&gt;
public class Main {&lt;br /&gt;
  public static void main(String[] args) throws Exception {&lt;br /&gt;
    Connection conn = getConnection();&lt;br /&gt;
    Statement st = conn.createStatement();&lt;br /&gt;
    st.executeUpdate(&amp;quot;create table survey (id int,myDate DATE);&amp;quot;);&lt;br /&gt;
    String INSERT_RECORD = &amp;quot;insert into survey(id, myDate) values(?, ?)&amp;quot;;&lt;br /&gt;
    PreparedStatement pstmt = conn.prepareStatement(INSERT_RECORD);&lt;br /&gt;
    pstmt.setString(1, &amp;quot;1&amp;quot;);&lt;br /&gt;
    java.sql.Date sqlDate = new java.sql.Date(new java.util.Date().getTime());&lt;br /&gt;
    pstmt.setDate(2, sqlDate);&lt;br /&gt;
    pstmt.executeUpdate();&lt;br /&gt;
    System.out.println(&amp;quot;The type of the first parameter is: &amp;quot;&lt;br /&gt;
        + pstmt.getParameterMetaData().getParameterTypeName(1));&lt;br /&gt;
    System.out.println(pstmt.getParameterMetaData().isNullable(1));&lt;br /&gt;
    conn.close();&lt;br /&gt;
  }&lt;br /&gt;
  private static Connection getConnection() throws Exception {&lt;br /&gt;
    Class.forName(&amp;quot;org.hsqldb.jdbcDriver&amp;quot;);&lt;br /&gt;
    String url = &amp;quot;jdbc:hsqldb:mem:data/tutorial&amp;quot;;&lt;br /&gt;
    return DriverManager.getConnection(url, &amp;quot;sa&amp;quot;, &amp;quot;&amp;quot;);&lt;br /&gt;
  }&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
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&lt;br /&gt;
==  ParameterMetaData Methods for Property Information about Query Parameters ==&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;p&amp;gt;Metadata information for a PreparedStatement or CallableStatement.&amp;lt;/p&amp;gt;&lt;br /&gt;
&amp;lt;OL&amp;gt;&amp;lt;LI&amp;gt;int getParameterCount()&amp;lt;/LI&amp;gt;&amp;lt;LI&amp;gt;java.lang.String getParameterClassName(int param)&amp;lt;/LI&amp;gt;&amp;lt;LI&amp;gt;int getParameterType(int param)&amp;lt;/LI&amp;gt;&amp;lt;LI&amp;gt;java.lang.String getParameterTypeName(int param)&amp;lt;/LI&amp;gt;&amp;lt;LI&amp;gt;int getPrecision(int param)&amp;lt;/LI&amp;gt;&amp;lt;LI&amp;gt;int getScale(int param)&amp;lt;/LI&amp;gt;&amp;lt;LI&amp;gt;int isNullable(int param)&amp;lt;/LI&amp;gt;&amp;lt;LI&amp;gt;boolean isSigned(int param)&amp;lt;/LI&amp;gt;&amp;lt;/OL&amp;gt;&lt;/div&gt;</summary>
			</entry>

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