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

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

csvÎļþת»»³Ésqlµ¼Èëµ½Êý¾Ý¿â£¬Ã»ÓÐÊý¾ÝΪºÎ£¿

Ö´ÐеÄ˳Ðò£º
1£©Îļþä¯ÀÀ¿ò£¨Ñ¡ÔñÎļþʹÓã©
Ñ¡ÔñºÃÎļþºó
µã»÷Ò»¸öµ¼Èë°´Å¥µÄʱºò £¬°ÑÉÏÃæÉÏ´«¿òÀïµÄcsvÎļþÒÔÒ»¸öIDΪÎļþÃû£¬ÉÏ´«µ½**/**Îļþ¼ÐÏÂ
2£©¶ÁÈ¡Õâ¸öÎļþ¼ÐϵÄcsvµÄÎļþ£¬×ª»»³Ésql
3 ......

sql - MS-SQL Server / ÒÉÄÑÎÊÌâ

sqlµÄÈí¼þÔÚÄÄÀï¿ÉÒÔϰ¡£¡ÔÚÍøÉÏÕÒÁËÂù¶à¶¼Óò»Á˰¡

Ëæ±ã¸ãÒ»D°æ°É£¬

ѸÀ×µÚÒ»¸ö¾Í¿ÉÒÔÓÃ
2000,2005¶¼ÕâÑù

http://119.147.41.16/down?cid=0698C2D64D7D637D90A6D2482298E6717D4F15CD&t=2&fmt=-1 ......

Çë½ÌSQLSERVERµÄÁ½¸öÎÊÌâ - MS-SQL Server / ÒÉÄÑÎÊÌâ

1¡£ÔõÑùʹxp_cmdshellÄÜÍêÕûÊä³ö³¬¹ý255¸ö×Ö·ûµÄ×Ö·û´®¡£
2¡£select ʱ£¬¼ìË÷ËÙ¶ÈÊÇÓëfromºóµÄ TABLE˳ÐòÓйأ¬»¹ÊÇÓëwhereÌõ¼þµÄ˳ÐòÓйØ(TABLEÊý¾Ý¶àÉÙ )
ÔÚϵͳÊôÐÔÉ趨ÀïÓиöÑ¡Ïî,¿ÉÒÔÐ޸ĵ¥×Ö¶ÎÊä³ö×ÖÊýÏÞÖÆ. ......

sql ÎÊÌâ - MS-SQL Server / »ù´¡Àà

ÐèÇóÈçÏ£º
ѧԺ academy£¨aid,aname£©
°à¼¶ class£¨cid,cname,aid£©
ѧÉú stu(sid,sname,aid,cid)
סËÞÇø region(rid,rname)
ËÞÉáÂ¥ build(bid,rid,bnote) bnoteÊÇ¡®ÄС¯/¡®Å®¡¯
ËÞÉá dorm(did,rid,bid£¬bedn ......

Ôõô°ÑMDFÊý¾Ýתµ½MySQL£¿ - MS-SQL Server / »ù´¡Àà

Ôõô°ÑMDFÊý¾Ýתµ½MySQL£¿
ÖÁÉٵø½¼Óµ½sqlserverÉÏ

¾ßÌåÔõôŪ°¡ ÎҵıÏÒµÉè¼ÆµÄÊý¾Ý¿âÊÇ´ÓÍøÉÏdownÏÂÀ´µÄ£¿£¿

Ä㻹²»ÈçÖ±½ÓÓÃsqlserverÄØ

º¯Êý¡¢´æ´¢¹ý³Ì¶¼µÃ¸ÄÁË¡£

sqlserverûÔõôÓùý¡£Ò²Ã»Óа²× ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ