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

Access´ø²ÎÊýµÄ²éѯ

ÔÚaccessÖÐÔõôִÐÐselect TOP (@size) * from table1
Õâ¸öTOPÔõô´ø²ÎÊý²éѯ°¡
ÓÃVBA¶¯Ì¬Éú³ÉSQLÓï¾ä£¬ÔÙÖ´ÐÐ

²»ÄÜÖ±½ÓÓÃSQLÓï¾ä£¬ÓÃ×Ö·û´®ÀÛ¼ÓÉú³ÉSQLÓï¾äµÄ·½·¨À´Ö´ÐÐSQLÓï¾ä

top n Õâ¸öûÓа취ʹÓòÎÊý¡£
ÄãÖ»ÄÜͨ¹ýÄãµÄ³ÌÐòÀ´Éú³ÉÕâ¸öSQLÓï¾ä£¬»òÕ߸ù¾ÝÕâ¸öSQLÓï¾äÉú³ÉÄãµÄ²éѯÁË¡£

ѧϰѧϰ

½«top ²ÎÊý´«µÝ½øÈ¥£¬´ò¿ª¼Ç¼¼¯·ÃÎʼ´¿É

Dim rstSJK As new ADODB.Recordset
Dim cn As new ADODB.Connection
Set CN = CurrentProject.Connection
sql="select top " & n & " from tt "
rstSJK.Open sql, cn, adOpenKeyset, adLockOptimistic, adCmdText

Dim rstSJK As New ADODB.Recordset
n = 10
SQL = "select top " & n & " * from aa "
MsgBox SQL
rstSJK.Open SQL, CurrentProject.Connection, adOpenKeyset, adLockOptimistic, adCmdText
Do While Not rstSJK.EOF
......
rstSJK.MoveNext
Loop

ÒýÓÃ
½«top ²ÎÊý´«µÝ½øÈ¥£¬´ò¿ª¼Ç¼¼¯·ÃÎʼ´¿É

ͬÒâ

ÒýÓà 5 Â¥ wwwwa µÄ»Ø¸´:
½«top ²ÎÊý´«µÝ½øÈ¥£¬´ò¿ª¼Ç¼¼¯·ÃÎʼ´¿É
²»Ã÷°×°¡

ÒýÓÃ
ÒýÓà 5 Â¥ wwwwa µÄ»Ø¸´:
½«top ²ÎÊý´«µÝ½øÈ¥£¬´ò¿ª¼Ç¼¼¯·ÃÎʼ´¿É
²»Ã÷°×°¡

7Â¥¾ÍÊÇVBAʾÀý

ÔÚÄãµÄ³ÌÐòÖÐ

int iSize=10;
string sql = "select top " + iSize + " * from table1 ";



Ïà¹ØÎÊ´ð£º

access ÖÐÖ´ÐÐsqlÓï¾äupdate²»³É¹¦£¬ÇóÖú£¡£¡£¡

access ÖÐÖ´ÐÐsql updateÓï¾äʱÓÐʱºò³É¹¦ÓÐʱºò²»³É¹¦£¬µ«ÊÇaccessÖв»³ö´íÎóÐÅÏ¢£¬²»ÖªµÀÊÇʲôԭÒò£¬ÓÐÄÄλ´óÏÀÖªµÀ£¬Çë°ïæ°¡
ÌùSQLÓï¾ä£¬¼ì²é±í¡¢×ֶεÄÓÐЧÐÔÉèÖÃ

sql ÔÚ²éѯ·ÖÎöÆ÷ÀïÃæ Ö´ÐкÜÕý³£

ÊÇ ......

access±íÖÐʱ¼ä²îµÄÉú³É

access±íÖÐÓÐ3¸ö×ֶΣ¬starttime£¬endtime£¬timespan£¬
ÊäÈëǰÁ½¸öÖµºóÔõô×Ô¶¯Éú³ÉtimespanÄØ
´´½¨²éѯ¡£

select *, endtime-starttime from your table


»òÕßÔÚÄãµÄÊäÈë´°ÌåÖÐÓÃVBA´úÂëʵÏÖ¡ ......

accessÖÐlikeд·¨

sqlÓï¾äÊÇÕâÑùдµÃ 
string sql = "select * from shophistory where username(stringÀàÐÍ)¡¡like '%"+ name +"%' ";
½á¹ûÔËÐб¨´í£º(²Ù×÷·û¶ªÊ§) ÔÚ²éѯ±í´ïʽ  ˵ºó ......

ACCESS·±ÌåÁ¬½Ó¼òÌåsqlserver2000

  ÎÒµÄÊý¾Ý¿âÊǼòÌåsqlserver2000 ,ÎÒÏëÔÚ·±ÌåaccessÏÂÁ¬½Ó,ͨ¹ýodbcÊÇ¿ÉÒÔÁË,µ«ÔÚaccessϳöÏÖ´ò¿ªµÄ±íÈ«ÖÐ"#ÒÑɾ³ý"
²»ÖªµÀÒªÔõô²Ù×÷²Å¿ÉÒÔÓÃACCESS·±ÌåÁ¬½Ó¼òÌåsqlserver2000.лл!!!
´ó¼Ò¶¼ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ