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

sqlÓï¾ä²éѯÎÊÌâ Çë´óÏÀÖ¸µã

ÓÐÁ½¸ö±í
±íA
id bigtype
1    2222
2    3333
3    4444
4    5555
 
±íB
id bigtype smalltype
5    2222    8888
6    2222    9999
7    2222    0000
8    4444    0123
9    4444    5252

±íBÖеÄbigtypeÊǵ÷ÓõıíAÖеÄ

ÏëÊä³ö
2222
    8888  9999  0000
4444
    0123  5252
¾ÍÊDzúÆ·´óÀàСÀàÎÊÌâ

ÎÒ¸ÃÔõÑùÊä³ö  дsqlÓï¾ä  Çë¸÷λ´óÏÀ°ï°ïæ

ÎÒµÄQQ£º342542470
ÔÚÏߵȠ лл
ÓÃÁ½²ã²éѯ¾Í³öÀ´£¡¿´¿´LX¸ßÊֻظ´

ʲôÊý¾Ý¿â£¿

ACCESS

ÒýÓÃ
ʲôÊý¾Ý¿â£¿

ÓÃ2ÖØ²éѯ°É

Çë¾ßÌåдһÏ´úÂë ¿ÉÒÔô    лл  ~~~

VBScript code:

<%
Set conn = CreateObject("ADODB.Connection")
conn.Provider = "MSDataShape"
conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\AA.mdb;"
conn.Open
sql = "SHAPE {SELECT DISTINCT bigtype from A} " &_
"APPEND({SELECT bigtype, smalltype from B } AS DE " &_
&qu


Ïà¹ØÎÊ´ð£º

ÃÅÍ⺺ÇóÖú...¹ØÓÚºǫ́+SQL+ASP

....½Óµ½Ò»¸öС³ÌÐò..¹¤×÷Ô­À´´ó¸ÅÊÇÕâÑùµÄ...ǰ̨ÊÇWEB·þÎñÆ÷.¼Ü¹¹¾ÍÊÇASP+SQL..ǰ̨ÓÉASPÏòSQLÌí¼Ó·þÎñÀà±ð(±íµ¥).È»ºóÓÖºǫ́³ÌÐò¶ÁÈ¡±íµ¥..Ҫʵʱ¶ÁÈ¡..È»ºóÏÔʾÔÚ·þÎñÆ÷ÉÏÃæ..´ÓÀíÂÛÉÏÃæÄÜÐÐͨ²»?Èç¹û¿ÉÒÔ..ºǫ́ ......

sql ʱ¼äÎÊÌâ

sql table±íÓиöÎı¾ÀàÐ͵Äa×ֶΣ¬´æ´¢µÄÄÚÈÝÈ«²¿ÊÇÊý×Ö£¬ÀýÈç2009001£¬2008578ÕâÑùµÄ¸ñʽ£»b×Ö¶ÎÎı¾ÀàÐÍ£¬´æµÄÒ²ÊÇÊý×ÖÀýÈç 001£¬123
aspÀïÃæ strday=100£¬strb=001

ÎÒÏë¶Á³ö£¬´Óa×ֶεÄÊý×Ö°´´óµ½Ð¡µÄË ......

SQLÓï¾äÎÊÌ⣬¸ßÊÖ°ïæ£¡£¡

½«Ò»¸ö±í21~30ɾ³ý£¬sqlÓï¾äÔõôд
Õâ¸öÌ«ÁýͳÁË£¬ÊÇÅÅÐòºóµÄµÚ21Ìõµ½30Ìõ¼Ç¼ɾ³ý»¹ÊÇijһÁÐÖµÔÚ21µ½30Ö®¼äµÄɾ³ý°¡£¿

21-30ÊÇʲôÒâ˼£¿×ֶεϰ¾Ídelete from table1 where col1>=21 and col1<=30
Ö¸µ ......

sql²éѯÒÉÎÊ

±íÖа´datadate,tradeidΪÖ÷¼ü£¬Ò²¾ÍÊÇ˵tradeid»áÖØ¸´³öÏÖÔÚ²»Í¬ÌìÖУ¬Í¬Ò»ÌìµÄtradeidÊDz»Í¬µÄ¡£ÏÖÔÚÎÒÏ£Íûȡһ¶Îʱ¼ä·¶Î§ÄÚ²»Öظ´µÄtradeid£¬ÇÒֻҪÿ¸ötradeidµÄ×îºóÒ»´Î³öÏÖµÄÄÇÌõ¡£sqlÓï¾ä¸ÃÔõôд

£º ......

sqlÎļþ£¨Êý¾Ýº¬ÖÐÎÄ£©DOSÃüÁî´°¿ÚÎÞ·¨µ¼ÈëÎÊÌâ

ÎÒÓõÄÊÇmysql5.1£¬Êý¾Ý¿â×Ö·û¼¯Îªutf8

ͨ¹ýdosÃüÁîÐе¼ÈëSQLÎļþ ³ö´í£¬ÎÞ·¨µ¼Èë¡£

½«SQLÎļþÖеÄÊý¾ÝÈ«²¿Ê¹ÓÃÓ¢ÎÄ ¿ÉÒÔµ¼Èë

ÇëÎÊÎÊÌâÔÚÄÄ£¿
×°¸öÖÐÎÄÈí¼þ¼´¿É.

ºÜ¶àÄêÒÔǰ,Óùý¸öÒ»¸ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ