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
ɾ³ýOracleÖ®Ò»
Èí¼þ»·¾³£º 1¡¢Windows 2000+ORACLE 8.1.7
2¡¢ORACLE°²×°Â·¾¶Îª£ºC:\ORACLE
ʵÏÖ·½·¨£º
1¡¢ ¿ªÊ¼££¾ÉèÖ㣾¿ØÖÆÃæ°å££¾¹ÜÀí¹¤¾ß££¾·þÎñ£¬Í£Ö¹ËùÓÐOracle·þÎñ¡£
2¡¢ ¿ªÊ¼££¾³ÌÐò££¾Oracle - OraHome81££¾O ......
ǰ¼¸Ìì²Ù×÷Öз¢Ïֵģ¬Ò²²»ÖªµÀÊDz»ÊÇÎÒûÓиÄÅäÖû¹ÊÇÔõôµÄ£¬ÎÒ±¾È˵ÄÊý¾Ý¿â¾ÍÊÇĬÈϰ²×°µÄ£¬È»ºó½«scottÓû§½âËøÁË£¬scottÓû§Ó¦¸ÃÊÇÆÕͨÓû§£¬¶ø²»ÊÇDBAÓû§¡£°´ÕÕ³£Àí·ÖÎö˵£¬ËûÓ¦¸ÃÊDz»ÊÇÄܹ»½øÈëϵͳ£¬Ò»°ãµÄʱºò£¬É趨ȨÏÞµÄʱºò¶¼»áÕâÑùÉè¡£
ÎÒ½«excelµÄÊý¾Ýµ¼ÈëoracleÖУ¬Ö´ÐеÄÈÕÖ¾Îļ ......
ÔÚÊý¾Ý¿âδÆô¶¯Ö®Ç°µÇ½´Ó¶øÆô¶¯Êý¾Ý¿âÈç¹ûûÓпÚÁîÎļþ£¬ÔÚÊý¾Ý¿âδÆô¶¯Ö®Ç°¾ÍÖ»ÄÜͨ¹ý²Ù×÷ϵͳÈÏÖ¤.ʹÓÃRman£¬ºÜ¶àʱºòÐèÒªÔÚnomount,mountµÈ״̬¶ÔÊý¾Ý¿â½øÐд¦Àí¡£ËùÒÔͨ³£ÒªÇósysdbaȨÏÞÈç¹ûÊôÓÚ±¾µØDBA×飬¿ÉÒÔͨ¹ý²Ù×÷ϵͳÈÏÖ¤µÇ½Èç¹ûÊÇÔ¶³ÌsysdbaµÇ½£¬ÐèҪͨ¹ýpasswordfileÈÏÖ¤¡£
1.remote_login_passwordfile ......
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 ......
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 ......