数据库索引有哪几种，利用JTDS连接数据库并操作示例

/**
 * 利用JTDS连接数据库并操作,来源www.sourceforge.net
 */
import java.sql.*;

import net.sourceforge.*;
import net.sourceforge.jtds.jdbc.Driver;

/**
 * 利用JTDS连接数据库并操作
 */
public class

数据库索引有哪几种？test
{
  public test()
  {
  }

  public static void main(String[] args)
  {
    try
    {
      Class.forName("net.sourceforge.jtds.jdbc.Driver");
      Connection con;
      con =
          DriverManager.getConnection("jdbc:jtds:sqlserver://172.16.16.87;DatabaseName=flb_test",
                                      "sa", "123");
      Statement stmt = con.createStatement();
      //stmt.execute("drop table test");
      //stmt.execute("create table test(id int identity(1,1),name varchar(50),password varchar(50))");
      ResultSet rs = stmt.executeQuery("select * from test");
      while (rs.next())
      {
        System.out.print(rs.getInt(1) + "   ");
        System.out.print(rs.getString(2) + "   ");
        System.out.println(rs.getString(3));
      }
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }
}