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

log4j ¼Ç¼ÈÕÖ¾·ÅÔÚoracleÖÐ

Ò»¸ödbÀà ÀàËÆÓÚjdbcµÄÇý¶¯ºÍÁ´½ÓÅäÖÃ
  package com.assi;
import org.apache.log4j.jdbc.JDBCAppender;
public class DB extends JDBCAppender {
     public DB(){
         this.setDriver("oracle.jdbc.driver.OracleDriver"); 
         this.setURL("jdbc:oracle:thin:@172.18.220.10:1521:orcl"); 
         this.setUser("log"); 
         this.setPassword("log");
     }
}
¾ßÌåдÈÕÖ¾µÄÀà //ûÓÐ×¢ÊÍ ´úÂë±È½Ï¼òµ¥
package com.assi;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
public class CataLogs extends DB {
    private DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:SSS");
    private Logger logger;
    public CataLogs(){
        logger=Logger.getLogger(CataLogs.class.getName());
       
    }
    //×Ô¶¯Ö´ÐеÄ
    protected void execute(String sql){
        Connection con=null;
        PreparedStatement stmt=null;
        try{
            con=getConnection();
            stmt=con.prepareStatement(this.getSql());
            stmt.execute();
        }
        catch(Exception e){
            e.printStackTrace();
     &


Ïà¹ØÎĵµ£º

Oracle redo undo commit rollbackÆÊÎö

¸Õ²ÅÔÚ¹äÒ»¸öÍøÓѵIJ©¿ÍµÄʱºò·¢ÏÖÁËһƪ¹ØÓÚREDO¡¢UNDO¡¢COMMIT¡¢ROLLBAKCµÄÎÄÕ¡£ËäÈ»ÄÚÈÝ¿ÉÄܲ»ÊÇÌØ±ðÈ«Ãæ£¬¿ÉÊÇ»¹ÊÇ×ܽáµÄͦºÃµÄ£¬×ª¹ýÀ´·½±ã½«À´Ñ§Ï°¡£
==================================================================================
redo--> undo-->datafile
insertÒ»Ìõ¼Ç¼ʱ£¬±í¸úundoµÄÐÅÏ¢¶¼»á ......

ORACLE±í¿Õ¼ä¼°Æäά»¤

»ù±¾¸ÅÄî
ORACLEÊý¾Ý¿â±»»®·Ö³É³Æ×÷Ϊ±í¿Õ¼äµÄÂß¼­ÇøÓò——ÐγÉORACLEÊý¾Ý¿âµÄÂß¼­½á¹¹¡£Ò»
¸öORACLEÊý¾Ý¿âÄܹ»ÓÐÒ»¸ö»ò¶à¸ö±í¿Õ¼ä,¶øÒ»¸ö±í¿Õ¼äÔò¶ÔÓ¦×ÅÒ»¸ö»ò¶à¸öÎïÀíµÄÊý¾Ý¿â
Îļþ¡£±í¿Õ¼äÊÇORACLEÊý¾Ý¿â»Ö¸´µÄ×îСµ¥Î»,ÈÝÄÉ×ÅÐí¶àÊý¾Ý¿âʵÌå,Èç±í¡¢ÊÓͼ¡¢Ë÷Òý
¡¢¾Û´Ø¡¢»ØÍ˶κÍÁÙʱ¶ÎµÈ¡£
ÿ¸öORACLEÊý¾ ......

дORACLE SQL

Ò».°´Ó¢ÎÄ×ÖĸÅÅÐò:
        select * from table order by nlssort(name,'NLS_SORT=schinese_pinyin_M');
 ¶þ. дһ¸öSQLÓï¾ä£¬²éѯѡÐÞÁË5Ãſγ̵ÄѧÉúѧºÅºÍÐÕÃû£¨9·ÖÖÓ£©
´ð£ºSQLÓï¾äÈçÏ£º
select stu.sno, stu.sname
from student stu
where (select count(*) from s ......

OracleÓÃÓαê·Ö½âºÅÂë´ÎÊý

drop table tb_wjf_xh_dg100_50_tmp4 purge; 
create table tb_wjf_xh_dg100_50_tmp4
 (
 servnumber varchar(11)
 )
;
  
declare
      vv_cusor_servnumber  varchar2(32);
      vv_cusor_lost_cnt  & ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ