Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÇóÒ»Ìõoracle¶à±í²éѯµÄsql£¬Çó¸ßÊÖÃDz»ÁߴͽÌ~

table1:
uID    uName
1      СÀî 
2      СÕÅ

table2:
pID  uID  type
1    1    H1
2    2    H2


table3:
uID  teamID
1      T1
1      T2
1      T4
2      T1
2      T3
2      T4
2      T5

table4:
teamID  teamName
T1 Ò½ÁÆ
T2 ¾È»¤
T3 ¼±¾È
T4 Ò½Ò©
T5 ÆäËû

ÏÖÔÚÏëÒªÒ»ÌõSQL²éѯ³öÈçϵĽá¹û

uID  uName        team                  type
1    СÀî  Ò½ÁÆ£¬¾È»¤£¬Ò½Ò©            H1
1    СÕÇ  Ò½ÁÆ£¬¼±¾È£¬Ò½Ò©£¬ÆäËû      H2

Çë¸ßÊÖÃDz»ÁߴͽÌ~~¸Ð¼¤²»¾¡
select a.uid,a.uname,
  wm_concat(d.teamname),
  b.type
from table1 a,table2 b,table3 c,table4 d
where a.uid=b.uid
  and a.uid=c.uid
  and c.teamid=d.teamid
group by a.uid,a.uname,b.type

²»ºÃÒâ˼£¬ÎÒÍü¼Ç˵ÁË£¬ÏµÍ³ÓõÄÊý¾Ý¿âÊÇ9iµÄ£¬Ã»ÓÐwm_concatÕâ¸öº¯Êý£¬»¹ÓÐûÓбðµÄ°ì·¨£¿

ÓÃsys_connect_by_path
http://topic.csdn.net/u/20091010/14/FC773


Ïà¹ØÎÊ´ð£º

sql¿ÉÒÔÓÐÁ½¸öÒÔÉϵĴ¥·¢Æ÷Â𣿣¿

sql¿ÉÒÔÓÐÁ½¸öÒÔÉϵĴ¥·¢Æ÷Â𣿣¿ÎÒÖ¸µÄÊÇfor´¥·¢Æ÷£¬ÄÇÆäËûµÄÄØ£¿£¿
ʲôÒâ˼£¿

¿ÉÒÔµÄ

10¸ö¶¼Ã»ÎÊÌâ

¿ÉÊÇÎÒдÁËÁ½¸öfor insert ´¥·¢Æ÷£¬Ôì³É½ø³Ì×èÈûÁËÄØ£¿Ôõô°ìÄØ£¿Çë¸ßÈËÖ¸µã
......

¾ÈÃü°¡£¡£¡JSPÁ¬½ÓSQL2000ÎÊÌ⣡

¸÷λ´óÏÀ¾ÈÃü°¡ £¡£¡
¸Õ×°ÁËSQL2000 sp3
ÏëÓÃJSPÁ¬½ÓÊý¾Ý¿âµ«ÊdzöÏÖÎÊÌâÁË
ÎÒÓõÄÊÇJDK6.0+tomcat5.0+SQL2000 SP3+JDBC sp3
ËüÏÔʾµÄÊÇ
javax.servlet.ServletException: [Microsoft][SQLServer 2000 Driver fo ......

´ÓORACLEµ½DB2µÄSQLÓï¾äÎÊÌâ

ÏÖÔÚÓÐÒ»ORACLEÖеÄSQLÓï¾ä£¬ÐèÒªÒÆÖ²µ½DB2ÖУ¬ÇëÎʸÃSQL¸ÄÈçºÎд
ORACLEÖУº
select floor(months_between(date1,date2)) from A  
date1,date2·Ö±ðΪ±íÖеÄÁ½¸ö×ֶΠ£¬¶¼ÎªÈÕÆÚÐÍ 
DB2ÖÐÈçºÎʹÓÃÐ ......

oracle 10g webµÇ½EMµÄÎÊÌ⣿ - Oracle / »ù´¡ºÍ¹ÜÀí

°²×°ÁËOracle 10g£¬Ä¬ÈÏ°²×°ÁËorclÊý¾Ý¿â£¬Õâ¸öÊý¾Ý¿âÄܲ»ÄÜɾ³ý°¡£¬»¹ÓÐÎÒÈç¹ûн¨ÁËÆäËûÊý¾Ý¿â£¬Ôõô֪µÀÔÚwebÖеǽ²»Í¬Êý¾Ý¿âµÄµØÖ·°¡£¿

1
¿ÉÒÔɾ³ý
2
ÔÚWEBµØÖ·À¸ÖÐÊäÈëµØÖ·µÄʱºòÖ¸¶¨Ð´´½¨µÄÊý¾Ý¿âµÄIP ......

oracleµ¼Èë»Ø¹ö - Oracle / ¿ª·¢

abnormal end of export file
IMP-00028: partial import of previous table rolled back: 3828 rows rolled back
  
ÓÐûÓÐÒ»ÖÖ·½·¨Èõ¼Èë¼ÌÐø½øÐжø²»Òì³£Ìø³ö»Ø¹ö£¿
ignore=y

Äã² ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ