Sql Server ɾ³ý¹ØÁªÊý¾Ý
ÏÖÔÚÓиöÊý¾Ý¿âMGM
ÓбíMember£¨Ö÷¼üMember_ID£©
±íBook£¨Ö÷¼ü Book_ID£¬Íâ¼ü Member_ID£©
±íComplain£¨Ö÷¼ü Complain_ID£¬Íâ¼ü Member_ID£©
±íMusiccollect£¨Ö÷¼ü Musiccollect_ID£¬Ë«Íâ¼ü Member_IDºÍMusic_ID£©
±íMusic£¨Ö÷¼ü Music_ID£©
ÏÖÔÚÎÒÏëɾ³ýMember±íÖÐÒ»ÌõÊý¾Ýʱ£¬Book£¬Complain£¬MusiccollectÕâÈýÕűíҪɾ³ýÓëMember_IDÏà¹ØÁªµÄÊý¾Ý£¬µ«Music±íÊý¾Ý²»±ä£¡
ÇëÎʸ÷λ¸ßÈËÔõô×ö£¿
¼¶Áª¾ÍÐÐÁË,´¥·¢Æ÷Ò²ÐÐ
ÔõôÓ𡣬ÓдúÂëÂð£¿
СµÜ¸Õ½Ó´¥ Sql Server
²»¶®£¬¸÷λ¸ßÈ˰ï°ïæ°É£¡ÓÐÔ´Âë×îºÃÁË£¡£¡£¡
SQL code:
--´¥·¢Æ÷£º
create trigger tri_member on member for delete
as
delete Book where member_id in(select member_id from deleted)
delete Complain where member_id in(select member_id from deleted)
delete Musiccollect where member_id in(select member_id from deleted)
go
ÄÇɾ³ýµÄʱºòÊDz»ÊÇÕâÑùµÄÓï¾ä£º
SQL code:
delete Member where Member_ID=1
ÕâÑù¾ÍÐÐÁËÂð£¿
ÏÈɾ³ý×Ó±íÖеÄÊý¾Ý£¬ÔÚɾ³ýÖ÷±íµÄ
×îºÃɾ³ýÿ¸ö±íÖж¼Ð´¸ödelete
ÄÇ3Â¥ÄÄλÈÊÐֵĴ¥·¢Æ÷´´½¨³É¹¦ºóÓÃ
SQL code:
delete Me
Ïà¹ØÎÊ´ð£º
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 ......
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 ......
protected void btnLogin_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("Server = (local);user id = sa;pwd = 1;database = Login");
&nb ......
ÈçºÎÔÚSQL2005ÖÐÉ趨¶¨Ê±×÷Òµ£¬±ÈÈç˵¶¨Ê±ÇåÀíijЩ±íµÄÊý¾Ý£¬
»òÕßÊǶ¨Ê±µÄ½«Ä³Ð©±íµÄÊý¾Ýµ¼³öexcel£¡
ÔÚÏߵȴý£¬¼±¼±¼±£¬×îºÃÊÇÏêϸ²½Ö裡
֮ǰÎÒ×öµÄ×÷ÒµÓеãÎÊÌ⣡
°ïUP
²Î¿¼:http://hi.baidu.com/toiota ......
µÚÒ»¾ä:
select ht.gfdm,gfdm.gfmc,gfdm.lb ,sum(jh.htdj*jh.htsl)as je
from ht left join gfdm on ht.gfdm=gfdm.gfdm
join jh on ht.htbh=jh.hth
and ht.htbh not like'del%' and ht. ......