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

Oracle ʱ¼ä±È½Ï

    ÔÚWeb¿ª·¢ÖУ¬´ÓÒ³Ãæ×¢ÈëµÄʱ¼äÒ»°ãΪStringÀàÐÍ£¬ÔõôȥºÍOracleÖеÄʱ¼ä½øÐбȽÏ
   ·½·¨£º
  
   String Time£»
   .......// Ò»¶Î´úÂë
   ¼ÙÉèTimeÎªÒ³Ãæ×¢ÈëStringÀàÐÍÊý¾Ý£¬Îª"2010-10-10 12:02:01"¡£
   ÔÚдSQLÓï¾äʱ
   
            String sql="select from  mytable where table_time > to_date('"+Time+"','yyyy-mm-dd
hh24:mi:ss')"
;
   Èç¹ûÏȰÑTime ת»»³É Date ÀàÐÍ£¬ÔÙÈ¥±È½Ï£¬»á±¨´í¡£


Ïà¹ØÎĵµ£º

oracle ×Ô¶¯Ôö³¤ÁÐ Àý×Ó

--´´½¨ÐòÁÐ
create sequence innerid
minvalue 1
maxvalue 999999999
start with 1
increment by 1
cache 20
order;
--´´½¨±í
create table users(
userid int primary key,
username   varchar2(20),
userpwd    varchar2(20)
);
select * from users;
insert into users values( ......

ÀûÓÃoracle¿ìÕÕdblink½â¾öÊý¾Ý¿â±íͬ²½ÎÊÌâ

±¾ÊµÀýÒÑÍêȫͨ¹ý²âÊÔ,µ¥Ïò,Ë«Ïòͬ²½¶¼¿ÉʹÓÃ.
--Ãû´Ê˵Ã÷£ºÔ´——±»Í¬²½µÄÊý¾Ý¿â
            Ä¿µÄ——Ҫͬ²½µ½µÄÊý¾Ý¿â
ǰ6²½±ØÐëÖ´ÐÐ,µÚ6ÒÔºóÊÇһЩ¸¨ÖúÐÅÏ¢.
--1¡¢ÔÚÄ¿µÄÊý¾Ý¿âÉÏ£¬´´½¨dblink
drop public database link dblink ......

ÈçºÎÔÚORACLEÖе¼Èëµ¼³ödmpÎļþ£¿

OracleÊý¾Ýµ¼Èëµ¼³öimp/exp¾ÍÏ൱ÓÚoracleÊý¾Ý»¹Ô­Ó뱸·Ý¡£expÃüÁî¿ÉÒÔ°ÑÊý¾Ý´ÓÔ¶³ÌÊý¾Ý¿â·þÎñÆ÷µ¼³öµ½±¾µØµÄdmpÎļþ£¬impÃüÁî¿ÉÒÔ°ÑdmpÎļþ´Ó±¾µØµ¼Èëµ½Ô¶´¦µÄÊý¾Ý¿â·þÎñÆ÷ÖС£ ÀûÓÃÕâ¸ö¹¦ÄÜ¿ÉÒÔ¹¹½¨Á½¸öÏàͬµÄÊý¾Ý¿â£¬Ò»¸öÓÃÀ´²âÊÔ£¬Ò»¸öÓÃÀ´ÕýʽʹÓá£
Ö´Ðл·¾³£º¿ÉÒÔÔÚSQLPLUS.EXE»òÕßDOS£¨ÃüÁîÐУ©ÖÐÖ´ÐУ¬
DOSÖп ......

OracleÊý¾Ý¿â½â³ýscottÓû§Ëø

1¡¢µÇ¼·½·¨:£ºsys or systemµÇ¼
Õ˺ţºsystem
ÃÜÂ룺system as sysdba---------¡·ÃÜÂë+as sysdba
      conn system/password as sysdba
ʹÓÃÃüÁ
sql>alter user scott account unlock;
sql> commit;
Í ......

oracle impʱ±¨IMP 00032£¬IMP 00008½â¾ö°ì·¨

oracle impʱ±¨£º
       IMP-00032: SQL statement exceeded buffer length
       IMP-00008: unrecognized statement in the export file
½â¾ö°ì·¨:
   ½«impÓï¾äÓÉ
         imp username/userpass@or ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ