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

oracle ±Ê¼Ç VII Ö® ´óÊý¾ÝÁ¿ÏµķÖÒ³

 ÔÚORACLE ´óÊý¾ÝÁ¿ÏµķÖÒ³½â¾ö·½·¨¡£Ò»°ãÓýØÈ¡ID ·½·¨£¬»¹ÓÐÊÇÈý²ã ǶÌ×·½·¨
Ò»ÖÖ·ÖÒ³·½·¨
<%
    int i = 1;
    int numPages = 14;
    String pages = request.getParameter("page");
    int currentPage = 1;
    currentPage = (pages == null)?1:Integer.parseInt(pages);
    sql = "select count(*) from tables";
    ResultSet rs = DBLink.executeQuery(sql);
    
    µÚ36Ò³ ¹² 59 Ò³
    while(rs.next())
     i = rs.getInt(1);
     int PageCount = 1;
     PageCount = (i%numPage == 0) ?(i/numPages):(i/numPages+1);
     int nextPage;
     int up Page;
     nextPage = currentPage + 1;
    if(nextPage > = PageCount)
     nextPage = PageCount;
     upPage = currentPage - 1;
     if(upPage <=1)
      upPage = 1;
      rs.close();
 
      sql="select * from tables";
      rs = DBLink.executeQuery(sql);
      i = 0;
      while((i<numPages*(currentPage-1)) && rs.next())
        { i++;}
 
 
//Êä³öÄÚÈÝ
//Êä³ö·­Ò³Á¬½Ó
 
ºÏ¼Æ£º<%=currentPage%>/<%=intPageCount%>Ò³
        <a href="List.jsp?page=1">µÚÒ»Ò³</a>
        <a href="List.jsp?page=<%=upPage%>">ÉÏÒ»Ò³</a>
 
<%
      for(int j=1;j<PageCount;j++){
          if(currentPage != j)
     &


Ïà¹ØÎĵµ£º

oracleÖÐÁ¬½ÓÓë»á»°

oracleÖÐÁ¬½ÓÓë»á»°²»ÊÇÒ»¸ö¸ÅÄî!!!
ÔÚOracleÖУ¬Á¬½ÓÖ»Êǿͻ§½ø³ÌºÍÊý¾Ý¿âʵÀýÖ®¼äµÄÒ»ÌõÌØÊâÏß·£¬×î³£¼ûµÄ¾ÍÊÇÍøÂçÁ¬½Ó¡£ÕâÌõÁ¬½Ó¿ÉÄÜÁ¬½Óµ½Ò»¸öרÓ÷þÎñÆ÷½ø³Ì£¬Ò²¿ÉÄÜÁ¬½Óµ½µ÷¶ÈÆ÷¡£ÈçǰËùÊö£¬Á¬½ÓÉÏ¿ÉÒÔÓÐ0¸ö»ò¶à¸ö»á»°£¬Õâ˵Ã÷¿ÉÒÔÓÐÁ¬½Ó¶øÎÞÏàÓ¦µÄ»á»°¡£ÁíÍ⣬һ¸ö»á»°¿ÉÒÔÓÐÁ¬½ÓÒ²¿ÉÒÔûÓÐÁ¬½Ó¡£Ê¹Óø߼¶Oracle N ......

OracleµÄSQL*PLUSÃüÁîµÄʹÓôóÈ«

 OracleµÄsql*plusÊÇÓëoracle½øÐн»»¥µÄ¿Í»§¶Ë¹¤¾ß¡£ÔÚsql*plusÖУ¬¿ÉÒÔÔËÐÐsql*plusÃüÁîÓësql*plusÓï¾ä¡£
¡¡¡¡
¡¡¡¡ÎÒÃÇͨ³£Ëù˵µÄDML¡¢DDL¡¢DCLÓï¾ä¶¼ÊÇsql*plusÓï¾ä£¬ËüÃÇÖ´ÐÐÍêºó£¬¶¼¿ÉÒÔ±£´æÔÚÒ»¸ö±»³ÆÎªsql bufferµÄÄÚ´æÇøÓòÖУ¬²¢ÇÒÖ»Äܱ£´æÒ»Ìõ×î½üÖ´ÐеÄsqlÓï¾ä£¬ÎÒÃÇ¿ÉÒÔ¶Ô±£´æÔÚsql bufferÖеÄsql Óï¾ä½ø ......

Oracle¶àÐмǼºÏ²¢/Á¬½Ó/¾ÛºÏ×Ö·û´®µÄ¼¸ÖÖ·½·¨

 ¡¾ÒýÓá¿http://tangshd.blog.sohu.com/96035768.html
Oracle¶àÐмǼºÏ²¢/Á¬½Ó/¾ÛºÏ×Ö·û´®µÄ¼¸ÖÖ·½·¨
 
  ÔõôºÏ²¢¶àÐмǼµÄ×Ö·û´®£¬Ò»Ö±ÊÇoracleÐÂÊÖϲ»¶ÎʵÄSQLÎÊÌâÖ®Ò»£¬¹ØÓÚÕâ¸öÎÊÌâµÄÌû×ÓÎÒ¿´¹ý²»ÏÂ30¸öÁË£¬ÏÖÔھͶÔÕâ¸öÎÊÌ⣬½øÐÐÒ»¸ö×ܽᡣ
   ʲôÊǺϲ¢¶àÐÐ×Ö·û´®£¨Á¬½Ó×Ö·û´®£©Ä ......

ORACLE ORDER BYÓ÷¨×ܽá

½ñÌìÔÚ¹äÂÛ̳µÄʱºò¿´µ½shiyiwanͬѧдÁËÒ»¸öºÜ¼òµ¥µÄÓï¾ä£¬¿ÉÊÇorder byºóÃæµÄÐÎʽȴ±È½ÏÐÂÓ±£¨¶ÔÓÚÎÒÀ´ËµÅ¶£©£¬ÒÔǰ´ÓÀ´Ã»¿´¹ýÕâÖÖÓ÷¨£¬¾ÍÏë¼ÇÏÂÀ´£¬ÕýºÃ×ܽáÒ»ÏÂORDER BYµÄ֪ʶ¡£
1¡¢ORDER BY ÖйØÓÚNULLµÄ´¦Àí
ȱʡ´¦Àí£¬OracleÔÚOrder by ʱÈÏΪnullÊÇ×î´óÖµ£¬ËùÒÔÈç¹ûÊÇASCÉýÐòÔòÅÅÔÚ×îºó£¬DESC½µÐòÔòÅÅÔÚ×îǰ¡£
......

110¸öoracle³£Óú¯Êý×ܽá

 1. ASCII
·µ»ØÓëÖ¸¶¨µÄ×Ö·û¶ÔÓ¦µÄÊ®½øÖÆÊý;
SQL> select ascii(A) A,ascii(a) a,ascii(0) zero,ascii( ) space from dual;
A A ZERO SPACE
--------- --------- --------- ---------
65 97 48 32

2. CHR
¸ø³öÕûÊý,·µ»Ø¶ÔÓ¦µÄ×Ö·û;
SQL> select chr(54740) zhao,chr(65) chr65 from ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ