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

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 ÖÐROWNUMÓ÷¨×ܽá

2009-11-15  13:06:35
½ñÌìÔÚITPUB·¢ÏÖһƪÎÄÕ£¬ÀÏÔçÒÔǰµÄÁË£¬Ð´µÄÂùÓÐÒâ˼£¬ÌØÒâת¹ýÀ´Êղء£
¶ÔÓÚ Oracle µÄ rownum ÎÊÌ⣬ºÜ¶à×ÊÁ϶¼Ëµ²»Ö§³Ö>,>=,=,between...and£¬Ö»ÄÜÓÃÒÔÉÏ·ûºÅ(<¡¢<=¡¢!=)£¬²¢·Ç˵ÓÃ>, >=,=,between..and ʱ»áÌáʾSQLÓï·¨´íÎ󣬶øÊǾ­³£ÊDz鲻³öÒ»Ìõ¼Ç¼À´£¬»¹»á³öÏÖËÆº ......

ORACLE³£ÓÃFAQ

 µÚÒ»²¿·Ö¡¢SQL&PL/SQL
[Q]ÔõôÑù²éÑ¯ÌØÊâ×Ö·û£¬ÈçͨÅä·û%Óë_
[A]select * from table where name like 'A_%' escape ''
[Q]ÈçºÎ²åÈëµ¥ÒýºÅµ½Êý¾Ý¿â±íÖÐ
[A]¿ÉÒÔÓÃASCIIÂë´¦Àí£¬ÆäËüÌØÊâ×Ö·ûÈç&Ò²Ò»Ñù£¬Èç
insert into t values('i'||chr(39)||'m'); -- chr(39)´ú±í×Ö·û'
»òÕßÓÃÁ½¸öµ¥ÒýºÅ±íʾһ¸ö
or ......

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 ......

Oracle Óï·¨Ö® OVER (PARTITION BY ..) ¼°¿ª´°º¯Êý


oracleµÄ·ÖÎöº¯Êýover ¼°¿ª´°º¯Êý
Ò»£º·ÖÎöº¯Êýover
Oracle´Ó8.1.6¿ªÊ¼Ìṩ·ÖÎöº¯Êý£¬·ÖÎöº¯ÊýÓÃÓÚ¼ÆËã»ùÓÚ×éµÄijÖÖ¾ÛºÏÖµ£¬ËüºÍ¾ÛºÏº¯ÊýµÄ²»Í¬Ö®´¦ÊÇ
¶ÔÓÚÿ¸ö×é·µ»Ø¶àÐУ¬¶ø¾ÛºÏº¯Êý¶ÔÓÚÿ¸ö×éÖ»·µ»ØÒ»ÐС£
ÏÂÃæÍ¨¹ý¼¸¸öÀý×ÓÀ´ËµÃ÷ÆäÓ¦Óᣠ          &nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ