Óбíemp(empno,ename,sal,deptno)×ֶηֱðÊÇÔ±¹¤±àºÅ¡¢Ô±¹¤ÐÕÃû¡¢Ð½Ë®¡¢²¿ÃűàºÅ
dept(deptno,dept_name,manager)×ֶηֱðÊDz¿ÃűàºÅ¡¢²¿ÃÅÃû³Æ¡¢¾Àí£¬
ÏÖÔÚÒª½«²¿ÃÅÆ½¾ùнˮ< 1000µÄÔ±¹¤µÄнˮÕÇÒ»±¶£»
ËÓÐ˼·Âð£¿
лл£¡
SQL code:
--ÎÒµÄÀí½âÊǽ«²¿ÃÅÆ½¾ùнˮ<1000µÄÄÇЩ²¿ÃŵÄÔ±¹¤µÄнˮ¶¼ÕÇÒ»±¶,²»Ö ......
ÓÃvs2005ºÍsql2000×ö³ÉµÄÍøÕ¾ÈçºÎ»»³É ÓÃaccessÊý¾Ý¿âµÄ£¬Ôõô¸Ä£¿
ÔÚSQL2000ÀïÃæÑ¡Ôñµ¼³öÊý¾Ý¿â£¬¸ñʽ¿ÉÒÔÑ¡ÔñÎı¾¸ñʽ£¬È»ºóÔÚACCESSÀïÃæµ¼ÈëÎı¾Îļþ¡£
¾ÍÊÇÊý¾Ý¿â»»Ò»Ï¶øÒÑ
»»Á¬½Ó×Ö·û´® £¬»»sql
...
ÔÚSQL2000ÀïÃæÑ¡Ôñµ¼³öÊý¾Ý¿â£¬¸ñʽ¿ÉÒÔÑ¡ÔñÎı¾¸ñʽ£¬È»ºóÔÚACCESSÀïÃæµ¼ÈëÎı¾Îļþ¡£
Ò²¿ÉÒ ......
Ö±½ÓÉÏ´úÂë°É
CString strSql="select hhdz_code.name,hhdz_area.id,hhdz_area.name,ip,createDate,status \
from hhdz_area,hhdz_code,hhdz_password \
where [hhdz_area.id]=[hhdz_code.areaId] \
and [hhdz_code.name]=[hhdz_password.name]";
BSTR bstrSQL = str ......
ÎÒÓиö200¶àMµÄxmlÎĵµÊý¾Ý£¡~ÇëÎÊÔõôÑù¼Ó½øÈ¥ÄØ~£¿
лл£¡~
ѧϰ¡·¡£¡£¡£¡£
ÇëÎÊÏ СF
ÎÒ²»ÖªµÀÄÇÀïÃæÓÐʲô×ֶΣ¬¶àÉÙ×ֶΣ¬Ôõôµ¼Èë½øÈ¥ÄØ·
ÏûÏ¢ 156£¬¼¶±ð 15£¬×´Ì¬ 1£¬µÚ 4 ÐÐ
Ôڹؼü×Ö 'BULK' ¸½½üÓÐÓï·¨´íÎó¡£
......
±íA£º
²¿ÃűàºÅ ²¿ÃÅÃû³Æ
DepartID varchar£¨100£© DepartName varchar£¨50£©
A ×î¸ß¼¶Ö÷¹Ü²¿ÃÅ
A01 ÈËÁ¦×ÊÔ´²¿
A02 ²ÆÎñ²¿
A03 ÖÆÔ첿
A0 ......
order±íÖÐÓÐ orderId status
Çó¸ù¾Ýstatus·Ö×é ²¢Çó³öÿ×éorderIdµÄÊýÁ¿
ÐÂÊÖ Çë¸ßÊÖÖ¸½Ì
SQL code:
select count(orderId) from Tanname group by status
SQL code:
select count(1) as ÊýÁ¿,status
from order
group by status
SQL code:
********************************************** ......