SQLȡֵÎÊÌâ - MS-SQL Server / »ù´¡Àà
±ítable
A B
12*2+10*5
4*3+10*4
15*2+81*4
ÈçºÎÈ¡BÁÐÖеÚÒ»¸ö*ºÅǰµÄÊý£¬²¢¸³¸øAÁÐ
--search
SQL code:
select left(b,charindex('*',b)-1) from table where left(b,charindex('*',b)-1)
--update
SQL code:
update table
set a = left(b,charindex('*',b)-1) from table where left(b,charindex('*',b)-1)
select left(b,charindex('*',b)-1) from table where left(b,charindex('*',b)-1) > 0
update table set a = left(b,charindex('*',b)-1) from table where left(b,charindex('*',b)-1) > 0
SQL code:
update ±ítable set A=left(B,charindex('*',B)-1)
¶¼ÊÇÅ£È˰¡¡£
û¶àÉÙ·Ö£¬ºÇºÇ£¬È¨µ±Òâ˼Ï¡£ÐÂÊÖ¡£¡£²»ºÃÒâ˼¡£
Ïà¹ØÎÊ´ð£º
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jas ......
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 ......
ÏÖÔÚÓÐÁ½ÕÅ±í£ºÎÄÕÂÖ÷±íA(articleId,articleTitle)£¬ÎÄÕÂÆÀÂÛ±íB(commentId,articleId,commentTitle)
ÏÖÔÚÎÒÏëʵÏÖÕâÑùµÄ¹¦ÄÜ£ºÁгöÎÄÕÂÁÐ±í£¬ÆäÖÐÿƪÎÄÕ±êÌâÏÂÃæÁгö´ËÎÄÕµÄǰ2¸öÎÄÕÂÆÀÂÛ£¬ÇëÎÊsqlÓï¾äÔõôд°¡ ......
SQL code:
rs.open "select * from guide where city_name='±±¾©' order by pai desc",conn,1,1
do while not rs.eof or rs.bof
¡£¡£
¡£¡£
¡£¡£
rs.movenext
loop
Õâ¸ösqlÓï¾äÔÚwapÕ¾Àï ±¾ÉíÓÐ ......