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

oracle·Ö×麯ÊýÖ®ROLLUP

 
1.³õʼ»¯ÊµÑ黵¾³
1£©´´½¨²âÊÔ±ígroup_test
sec@ora10g> create table group_test (group_id int, job varchar2(10), name varchar2(10), salary int);
¡¡
Table created.
¡¡
2£©³õʼ»¯Êý¾Ý
insert into group_test values (10,'Coding',    'Bruce',1000);
insert into group_test values (10,'Programmer','Clair',1000);
insert into group_test values (10,'Architect', 'Gideon',1000);
insert into group_test values (10,'Director',  'Hill',1000);
¡¡
insert into group_test values (20,'Coding',    'Jason',2000);
insert into group_test values (20,'Programmer','Joey',2000);
insert into group_test values (20,'Architect', 'Martin',2000);
insert into group_test values (20,'Director',  'Michael',2000);
¡¡
insert into group_test values (30,'Coding',    'Rebecca',3000);
insert into group_test values (30,'Programmer','Rex',3000);
insert into group_test values (30,'Architect', 'Richard',3000);
insert into group_test values (30,'Director',  'Sabrina',3000);
¡¡
insert into group_test values (40,'Coding',    'Samuel',4000);
insert into group_test values (40,'Programmer','Susy',4000);
insert into group_test values (40,'Architect', 'Tina',4000);
insert into group_test values (40,'Director',  'Wendy',4000);
¡¡
commit;
¡¡
3£©³õʼ»¯Ö®ºóµÄÊý¾ÝÇé¿öÈçÏ£º
sec@ora10g> select * from group_test;
¡¡
  GROUP_ID JOB        NAME           SALARY
---------- ---------- ---------- ----------
        10 Coding     Bruce            1000
        10 Programmer Clair            1000
        10 Architect  Gideon           1000


Ïà¹ØÎĵµ£º

OracleÊý¾Ý¿â»¹Õæ²»ºÃÕû

´ÓÔÚLinuxÉϰ²×°Oracleµ½Í¶ÈëʹÓòż¸Ì죬Åöµ½µÄÎÊÌâ¾Í³É°ÙÉÏǧµÄ¡£ÔÚʹÓÿͻ§¶ËÁ¬½ÓÔ¶³ÌOracleÊý¾Ý¿â·þÎñÆ÷ʱ£¬³öÏÖÁËlistener refused the connection with the following error ora-12519 Listener refused the connection with the following error:ORA-12519, TNS:no appropriate service handler foundThe Connection ......

oracle ÕÒ³öÁ½±íÖ®¼äÖØ¸´Êý¾Ý

select * from ( select tb1.rollid from (select r.rollid as rollid from zh1_rool r where r.date_p >=to_date('2009-11-26 23:59:59','yyyy-mm-dd hh24:mi:ss') ) tb1
¡¡¡¡where tb1.rowid !=
¡¡¡¡(
select max(tb2.rown) from (select t.rowid as rown,t.lot_number as rollid
from inv.mtl_onh ......

ORACLE RAC¹¤×÷Ô­Àí


ORACLE RAC¹¤×÷Ô­Àí
ORACLE RAC¹¤×÷Ô­Àí
¡¡¡¡ÔÚÒ»¸öÓ¦Óû·¾³µ±ÖУ¬ËùÓеķþÎñÆ÷ʹÓú͹ÜÀíͬһ¸öÊý¾Ý¿â£¬Ä¿µÄÊÇΪÁË·Öɢÿһ̨·þÎñÆ÷µÄ¹¤×÷Á¿£¬Ó²¼þÉÏÖÁÉÙÐèÒªÁ½Ì¨ÒÔÉϵķþÎñÆ÷£¬¶øÇÒ»¹ÐèÒªÒ»¸ö¹²Ïí´æ´¢É豸¡£Í¬Ê±»¹ÐèÒªÁ½ÀàÈí¼þ£¬Ò»¸öÊǼ¯ÈºÈí¼þ£¬ÁíÍâÒ»¸ö¾ÍÊÇOracleÊý¾Ý¿âÖеÄRAC×é¼þ¡£Í¬Ê±ËùÓзþÎñÆ÷ÉϵÄOS¶¼Ó¦¸ÃÊÇÍ ......

ORACLE to_char() º¯Êý»ñÈ¡×ÔÈ»ÖÜÊý

 
×î¼òµ¥µÄÊÇʹÓÃ
 
/* Formatted on 2009/12/02 16:01 (Formatter Plus v4.8.8) */
SELECT TO_CHAR (TO_DATE ('2009-12-02', 'YYYY-MM-DD'), 'WW')
  from DUAL;
²»¹ýto_char()º¯ÊýÔÚ¼ÆËãÒ»ÄêÖеڼ¸ÖÜÊÇ´Ó¸ÃÄêµÄ1ÔÂ1ÈÕ¿ªÊ¼µÄ¡£
 
 ÒÔÏÂSQL Äܵõ½ÕýÈ·µÄ×ÔÈ»ÖÜÊý.
 
/* Formatted ......

OracleÖÐTO_DATE¸ñʽ

http://www.cnblogs.com/ajian/archive/2009/08/25/1421063.html
TO_DATE¸ñʽ(ÒÔʱ¼ä:2007-11-02   13:45:25ΪÀý)
  
        Year:     
        yy two digits Á½Î»Äê   &nbs ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ