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

ÇóÖú£ºSQL Server²éѯ - MS-SQL Server / ÒÉÄÑÎÊÌâ

Á½¸ö±í£¬Ò»¸ö»áÔ±±í£¬Ò»¸öÏû·Ñ¼Ç¼±í¡£ÐèÒª²éµÄÊÇ×î½üÏû·ÑµÄ»áÔ±£¬È»ºó»áÔ±±íͨ¹ýÏû·Ñʱ¼äµ¹ÐòÅÅÐò¡£ÇóÖú´ó¼ÒÔõô×ö¡£ÎÒ´òËãÏÈ·Ö×飬ͳ¼Æ¿¨»áÔ±µÄ¸öÊý£¬È»ºóÔÚͨ¹ýÏû·Ñ±íÖеÄÏû·Ñʱ¼äÌõ¼þÅÅÐò£¬µ«ÕâÑùÅÅÐòÍêÈ«²»ÐС£ÇóÖú´ó¼Ò¸ÃÈçºÎ½â¾ö£¬Ð»Ð»£¡
¸ø³ö±íµÄ½á¹¹¡¢²âÊÔÊý¾Ý¡¢¼°½á¹û

×î½üµÄ·¶Î§½üµ½ÄÄÀÓÐûÓÐÃ÷È·µÄ·¶Î§

ÒýÓÃ
×î½üµÄ·¶Î§½üµ½ÄÄÀÓÐûÓÐÃ÷È·µÄ·¶Î§



·¶Î§Ö»Êǵ¹Ðò¶øÒÑ¡£

ÒýÓÃ
¸ø³ö±íµÄ½á¹¹¡¢²âÊÔÊý¾Ý¡¢¼°½á¹û


»áÔ±±í£ºMember 
Ïû·Ñ¼Ç¼±í£ºCashLog 
Ïû·Ñ¼Ç¼ÖÐ×ÔÈ»±£³Ö×ŶàÌõµ¥¸ö»áÔ±ÐÅÏ¢£¬ÐèÒª²éѯ×î½üÏû·ÑÅÅÐòµÄÌõ¼þÏû·Ñʱ¼äTimeÊôÓÚCashLog±í¡£


ÒýÓÃ
Á½¸ö±í£¬Ò»¸ö»áÔ±±í£¬Ò»¸öÏû·Ñ¼Ç¼±í¡£ÐèÒª²éµÄÊÇ×î½üÏû·ÑµÄ»áÔ±£¬È»ºó»áÔ±±íͨ¹ýÏû·Ñʱ¼äµ¹ÐòÅÅÐò¡£ÇóÖú´ó¼ÒÔõô×ö¡£ÎÒ´òËãÏÈ·Ö×飬ͳ¼Æ¿¨»áÔ±µÄ¸öÊý£¬È»ºóÔÚͨ¹ýÏû·Ñ±íÖеÄÏû·Ñʱ¼äÌõ¼þÅÅÐò£¬µ«ÕâÑùÅÅÐòÍêÈ«²»ÐС£ÇóÖú´ó¼Ò¸ÃÈçºÎ½â¾ö£¬Ð»Ð»£¡


SQL code:

SELECT a.»áÔ±Ãû, MAX(b.Ïû·Ñʱ¼ä) Ïû·Ñʱ¼ä
from »áÔ±±í a
JOIN Ïû·Ñ¼Ç¼±í b
ON a.»áÔ±ID = b.»áÔ±ID
GROUP BY a.»áÔ±Ãû
ORDER BY Ïû·Ñʱ¼ä DESC


SQL code:
select a.*,b.*
from »áÔ±±í a
left join Ïû·Ñ¼Ç¼±í b on a.»áÔ±ID=b.


Ïà¹ØÎÊ´ð£º

Çë½ÌsqlÓï¾ä¡£ - Oracle / ¿ª·¢

ÎÒÓÐÒ»¸ö±í£¬½á¹¹ÊÇÕâÑù¡£
  ת³ö µ¥Î» תÈ뵥λ ±ÊÊý ½ð¶î
date(Ö÷) outid(Ö÷) inid(Ö÷) num amt
2009 1 2 1 500 Ϊ 1 µ¥Î» ÔÚ2009Ä ......

ÇóÒ»¸öSQLÓï¾ä - MS-SQL Server / »ù´¡Àà

×Ö¶Î1,×Ö¶Î2.....×Ö¶ÎN,Status,ParentID
1,Name1....test1,1,99
1,Name1....test1,3,99
1,Name2....test2,1,101
1,Name2....test2,3,101
1,Name3....test3,2,101
1,Name1....test1,4,101
ÏëÒªµÄ½á¹ûÊÇ:
1,Na ......

sql ÎÊÌâ - MS-SQL Server / »ù´¡Àà

ÐèÇóÈçÏ£º
ѧԺ academy£¨aid,aname£©
°à¼¶ class£¨cid,cname,aid£©
ѧÉú stu(sid,sname,aid,cid)
סËÞÇø region(rid,rname)
ËÞÉáÂ¥ build(bid,rid,bnote) bnoteÊÇ¡®ÄС¯/¡®Å®¡¯
ËÞÉá dorm(did,rid,bid£¬bedn ......

SQL·ÖÒ³ÓëOracle·ÖÒ³µÄÒÉÎÊ£¿ - Java / Web ¿ª·¢

ÕâÀïÏëÁ˽âÏ£¬¹ØÓÚSQL ServerÖзÖÒ³ºÍOracleÖзÖÒ³£»
ƽ³£Ð´Ó¦ÓóÌÐòµÄʱºò£¬±ÈÈçÓõÄÓïÑÔÊÇJava£¬ÓиöÁбíÒ³Ã棬ÐèÒª¶ÔÊý¾Ý·ÖÒ³ÏÔʾ£»
ÕâÀïÒª·ÖÒ³ÄѵÀ²»ÐèÒª½èÖúJava£¬¶øÖ±½ÓsqlÄÜÖªµÀ·ÖÒ³Âð£¬ÆðÂëÒ²Òª´«¸öÒ³Âë½ ......

¹ØÓÚSQLÓï¾äORµÄÎÊÌâ - Oracle / ¸ß¼¶¼¼Êõ

ͨ¹ýNAME×Ö¶ÎÌõ¼þ²éѯһ¸öÊý¾Ý±í£¬¼ÙÉèÎÒÓÐ100¸öÐÕÃû£¬ÓÐÒÔÏÂÁ½¸ö·½·¨£¬
·½·¨1£º
°Ñ100¸öName ×é³ÉÒ»¸öSQLÓï¾ä£¬±ÈÈç Select * from tmp_table where Name='ÕÅÈý' or Name ='ÀîËÄ' Or ...Or Name='µÚÒ»°Ù¸öÐÕÃû'
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ