ÇóÒ»¸öaspÖÐÁгö²»Öظ´¼Ç¼µÄsqlµÄÓï¾ä
ÎÒÖªµÀÁгöij×Ö¶ÎËùÓв»Öظ´µÄ¼Ç¼¿ÉÒÔÓÃdistinctÀ´ÊµÏÖ µ«ÊÇÎÒµÄÒªÇóÊÇÔÚÁгöij×Ö¶ÎËùÓв»Öظ´µÄ¼Ç¼µÄʱºò ÈÃËû°´ÕÕ×Ö¶ÎÖµÖØ¸´´ÎÊýÀ´ÅÅÐò ÄĸöÖµÖØ¸´´ÎÊý×î¶à¾ÍÅÅÔÚ×îÉÏÃæ
select bigClass,count(*) as sl from [systemsize] group by bigClass order by sl desc
Â¥É쵀 ÇëÎÊÊÇÕâÑùÂð£¿Ã»Óнá¹ûÏÔʾŶ¡£ gangziÊDZí tidÊÇ×Ö¶Î
select tid,count(*) as sl from [gangzi] group by tid order by sl desc
¸Ðл¥ÉϵĸßÊÖ Ã»ÎÊÌâÁË
¶ÔÁË ÇëÎÊlzp4881 Õâ¸ö·½·¨ÄÜ·ñµ÷Óóöÿ¸öÖµ·Ö±ðµÄÖØ¸´´ÎÊýÄØ£¿
Ïà¹ØÎÊ´ð£º
´ó¼Ò°ïæ¿´¿´Õâ2¸ösqlÓï¾äÄĸö²éѯµÄËٶȸü¿ìµã¡£Ð»Ð»°ïæ¡£±È½Ï׿±¡£ÔÚ×öÐÔÄܲâÊÔ¡£
select * from
±íA LEFT OUTER JOIN ±íB ON (±íA.id || ' ' =±íB.id) ,±íC , ±íD, ±íE
WhereÆäËûÌõ¼þ
select * ......
ÎÒÓжà¸ö±íA B C ½á¹¹ÊÇÒ»ÑùµÄ£¬¶¼ÓÐ2¸ö×Ö¶ÎnameºÍcontent,ÎÒÒªËÑË÷ËùÒÔ±íËùÓÐ×Ö¶ÎÖаüº¬¡°Öйú¡±µÄÄÚÈÝ Õâ¸öSQLÓï¾äÔõôд
ÈçºÎ½«¶à¸ö±íµÄ²éѯ½á¹ûÁ¬³ÉÒ»¸ö±í Õâ¸öSQLÓï¾äÔõôд ±íµÄ½á¹¹ÊÇÒ»ÑùµÄ
ÀýÈç£ ......
ÄÄÀï³ö´íÁË£¬Êä³öÕâÑùµÄ½á¹û£¿£¿
<%@ Page Language="VB" AutoEventWireup="false" aspcompat="true" CodeFile="Default.aspx.vb" Inherits="_Default" %&g ......
sqlÎÒÏëµÃµ½Ò»×Ö·û´®Îª:
sldkf|||sdeww
erkv|||rltdk
jemcl|||ligf
¾ÍÊÇ|||ºóÃæµÄ×Ö·ûÓÐʲôº¯ÊýÄܵõ½Âð£¿ÊÇÔÚsqlÓï¾äдµÄ£¬²»ÊÇÔÚÒ³ÃæÐ´µÄ£¬ÄÇλ¸ßÊÖÀ´Ö¸½ÌÏ£¬ÐÂÊÖ£¬Ð»Ð»
ÔνñÌì²»ÊÇдÁËô
select parsen ......