Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB
ÈÈÃűêÇ©£º c c# c++ asp asp.net linux php jsp java vb Python Ruby mysql sql access Sqlite sqlserver delphi javascript Oracle ajax wap mssql html css flash flex dreamweaver xml
 ×îÐÂÎÄÕ : Oracle

oracleÖÐclobµÄÎÊÌâ


  ¡£netÖÐ
Êý¾Ý±íÖеÄÒ»¸ö×Ö¶Î clobÀàÐ͵ġ£¡£ÎÒ²åÈë×Ö·û´®¶àµÄʱºò£¬±¨×Ö·û¹ý¶àµÄÒì³£¡£
Ôõô½â¾ö¡£¡£Ð»Ð»

Äã°ÑÒª²åÈë¸Ã×ֶεÄÄÚÈÝ´æµ½Ò»¸ö±äÁ¿ÖУ¬È»ºóÔÙÓÃSQL²åÈë¡£

x:='.......................';
insert into tb(col) values (x);
......

oracle·ÖÒ³£¬ÓÐЩ¿´²»¶®

SQL code:

1.SELECT * ­
2. from (Select ROWNUM AS ROWNO, T.* ­
3. from k_task T ­
4. where Flight_date between to_date('20060501', 'yyyymmdd') and ­
5. to_date('20060731', 'yyyymmdd') ­
6. AND ROWNUM <= 20) TABLE_ALIAS ......

oracle group byÿÌìij¶Îʱ¼ä

oracle Êý¾Ý¿â

ÇóÿÌì0µãµ½16µãA±íµÄ¼Ç¼ÌõÊý£¬²éѯ³öÀ´µÄ½á¹ûÈ磺
20091125 50
20091126 52

ֻҪÿÌì0µãµ½16µãµÄÊý¾Ý£¡£¡
ÄãµÃ°ÑÄãµÄ±í½á¹¹Ìù³öÀ´¿´¿´°¡£¬Äĸö×ֶδæ×ÅÄãµÄʱ¼äµã°¡¡£¡£¡£

±í A
×Ö¶Î BILL
×Ö¶Î cDATE
×Ö¶Î billtemp

{{ ......

oracle ÈÕÖ¾ ÎÊÌâ

alter system checkpoint;
alter system archive log all;
alter system archive log current
alter system switch logfile;
Âé·³¸ßÊÖ¸øÎÒÏêϸµã˵˵ËûÃǵÄÇø±ðºÍÁªÏµ£¬Ð»Ð»£¡
alter system checkpoint;
È«¾Ö¼ì²éµã

alter system archive log all
alter system archive log current
ÊÖ¹¤¹éµ ......

javaµ÷ÓÃoracleº¯ÊýµÄÎÊÌâ[¼±Çó]

oracle´úÂ룺
Create or REPLACE FUNCTION AAAAA (
    P_USER_ID_I  IN  VARCHAR2 
)
RETURN  SYS_REFCURSOR
AS
    P_RESULT_SET_O  SYS_REFCURSOR;
    X_SQL VARCHAR2(200);
BEGIN
    X_SQL :='select user_id, ......

¼±£ºOracle×ó/ÓÒÁ¬½Óת³ÉͨͨÓõÄ

SQL code:

select
d.*,
h.UG_NAME user_name,
s.INFO,
g.NAME bo_name
from
IS_INFORMATION d,
STATUS_V s,
IS_USER_GROUP h,
BOARD g
where
d.STATUS = s.PK_ITEMID(+)
And d.SEND_UG_ID = h.UG_ID
And d.TAKE_ID = g.row_id(+)

Óà a left join b on a.id = b.id ת ......
×ܼǼÊý:1827; ×ÜÒ³Êý:305; ÿҳ6 Ìõ; Ê×Ò³ ÉÏÒ»Ò³ [190] [191] [192] [193] 194 [195] [196] [197] [198] [199]  ÏÂÒ»Ò³ βҳ
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ