Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javaµ÷ÓÃoracle´æ´¢¹ý³Ì

//¿´¿´ÈçºÎ±àдһЩ¸´ÔӵĴ洢¹ý³Ì
Ò»£ºÎÞ·µ»ØÖµµÄ´æ´¢¹ý³Ì
ΪÁËÑéÖ¤£¬ÎÒÏÈ´´½¨Ò»ÕŲâÊÔ±í
create table mytest(myid varchar2(30),myname varchar2(50));
´æ´¢¹ý³ÌΪ£º
create or replace PROCEDURE mytest2(id in varchar2,name in varchar2)  as
begin
   insert into mytest (myid,myname) values(id, name);
end;
/
È»ºóÄØ£¬ÔÚjavaÀïµ÷ÓÃʱ¾ÍÓÃÏÂÃæµÄ´úÂ룺
package com.hyq.src;
import java.sql.*;
import java.sql.ResultSet;
public class TestProcedureOne {
  public TestProcedureOne() {
  }
  public static void main(String[] args ){
    String driver = "oracle.jdbc.driver.OracleDriver";
    String strUrl = "jdbc:oracle:thin:@127.0.0.1:1521:HUAYU";
    Statement stmt = null;
    ResultSet rs = null;
    Connection conn = null;
    //CallableStatement:ÓÃÓÚÈ¥µ÷Óô洢¹ý³Ì
    CallableStatement cstmt = null;
    try {
      Class.forName(driver);
      conn =  DriverManager.getConnection(strUrl, "scott", "tiger");
      CallableStatement proc = null;
      proc = conn.prepareCall("{ call mytest2(?,?)}");
 //¸ø?ºÅ¸³Öµ
      proc.setString(1, "100");
      proc.setString(2, "user1");
 //Ö´Ðд洢¹ý³Ì
      proc.execute();
    }
    catch (Exception ex2) {
 ex2.printStackTrace();    
    }
    finally{
      //¹Ø±Õ×ÊÔ´..
    }
  }
}
µ±È»ÁË£¬Õâ¾ÍÏÈÒªÇóÒª½¨ÕűíTESTTB,ÀïÃæÁ½¸ö×ֶΣ¨I_ID£¬I_NAME£©¡£
¶þ£ºÓзµ»ØÖµµÄ´æ´¢¹ý³Ì£¨·ÇÁÐ±í£©
´æ´¢¹ý³ÌΪ£º
CREATE OR REPLACE PROCEDURE mytest3(id in varchar2,name out varchar2)  as
BE


Ïà¹ØÎĵµ£º

jdbcÁ¬½ÓOracle

      ËäȻѧϰJavaºÜ¾ÃÁË£¬×Ô¼ºÒ²Á¬½Ó¹ýһЩÊý¾Ý¿â£¬±ÈÈçmysqlÖ®ÀàµÄ£¬Èç½ñÄØ£¬Ò²Ñ§Ï°ÁËÒ»¶Îʱ¼äµÄOracle£¬È»¶øÄØ£¬½ñÌìÊÇÎÒµÚÒ»´ÎÁ¬½ÓOracle£¬ºÙºÙ£¬Ó¦¸Ã»¹²»ËãÌ«³Ù°É¡£
    ½ñÌìÄØ£¬Óе㱿׾£¬´ó¼ÒĪЦ£¡
    ÎÒÕâÊÇÒ»¸ö²éѯÀý×Ó
    Ê×ÏÈ£¬Ô ......

Oracle Top N ºÍ OracleÖеÄlimitÎÊÌâ½â¾ö·½°¸

oracle top N
1.ÔÚORACLEÖÐʵÏÖSELECT TOP N
   ÓÉÓÚORACLE²»Ö§³ÖSELECT TOPÓï¾ä£¬ËùÒÔÔÚORACLEÖо­³£ÊÇÓÃORDER BY¸úROWNUMµÄ×éºÏÀ´ÊµÏÖSELECT TOP NµÄ²éѯ¡£
¼òµ¥µØËµ£¬ÊµÏÖ·½·¨ÈçÏÂËùʾ£º
      SELECT¡¡ÁÐÃû£±£®£®£®ÁÐÃû£î¡¡from
        ......

[ת]ÔÚoracleÏ´¥·¢Æ÷ʵÏÖÖ÷¼ü×ÔÔö

ÀûÓÃÐòÁвúÉúÖ÷¼üÖµ¡£
ÐòÁУ¨Sequence£©ÊÇÒ»ÖÖ¿ÉÒÔ±»¶à¸öÓû§Ê¹ÓõÄÓÃÓÚ²úÉúһϵÁÐΨһÊý×ÖµÄÊý¾Ý¿â¶ÔÏó¡£ÐòÁж¨Òå´æ´¢ÔÚÊý¾Ý×ÖµäÖУ¬Í¨¹ýÌṩΨһÊýÖµµÄ˳Ðò±íÀ´¼ò»¯³ÌÐòÉè¼Æ¹¤×÷£¬¿ÉÒÔʹÓÃÐòÁÐ×Ô¶¯²úÉúÖ÷¼üµÄ¼üÖµ¡£µ±Ò»¸öÐòÁеÚÒ»´Î±»²éѯµ÷ÓÃʱ£¬Ëü½«·µ»ØÒ»¸öÔ¤¶¨Öµ¡£ÔÚËæºóµÄÿ´Î²éѯÖУ¬ÐòÁн«²úÉúÒ»¸ö°´Ö¸¶¨µÄÔöÁ¿Ô ......

JavaÃæÊÔÌâ

Ò»¡¢ÃæÏò¶ÔÏóµÄÌØÕ÷ÓÐÄÄЩ·½Ãæ
    1.³éÏó£º
    ³éÏó¾ÍÊǺöÂÔÒ»¸öÖ÷ÌâÖÐÓ뵱ǰĿ±êÎ޹صÄÄÇЩ·½Ã棬ÒÔ±ã¸ü³ä·ÖµØ×¢ÒâÓ뵱ǰĿ±êÓйصķ½Ãæ¡£³éÏó²¢²»´òËãÁ˽âÈ«²¿ÎÊÌ⣬¶øÖ»ÊÇÑ¡ÔñÆäÖеÄÒ»²¿·Ö£¬ÔÝʱ²»Óò¿·Öϸ½Ú¡£³éÏó°üÀ¨Á½¸ö·½Ã棬һÊǹý³Ì³éÏ󣬶þÊÇÊý¾Ý³éÏó¡£
    ......

Effective Java: Item 1

Static Factory Methods
Four Advantages:
1) have names
2) not required to create a new object each time they are invoked
3) return an object of any subtype of their return type
4) reduce the verbosity of creating parameterized type instances.(for example: newInstance() method) ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ