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gg_student_registration£¨Ñ§Éú×¢²áµÇ¼Ç£©
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1 regid uniqueidentifier 16 0 ÊÇ ·ñ (newid()) µÇ¼ÇID
2 semesterid uniqueidentifier 16 0 ·ñ ѧÆÚID
3 schid uniqueidentifier 16 0 ·ñ ѧУID
4 stuid uniqueidentifier 16 0 ·ñ ѧÉúID
5 registerdate datetime 8 3 ÊÇ µÇ¼Çʱ¼ä
6 registersign char 1 0 ·ñ µÇ¼Ç±ê¼Ç
7 unregistertype char 2 0 ÊÇ µÇ¼ÇÀàÐÍ
8 unregisterreason varchar 80 0 ÊÇ µÇ¼ÇÀíÓÉ
9 isupdate bit 1 0 ·ñ 1 ÊÇ·ñÐÞ¸Ä
10 isdeleted char 1 0 ·ñ ('0') ÊÇ·ñɾ³ý


gg_student (ѧÉú)
ÐòºÅ ÁÐÃû Êý¾ÝÀàÐÍ ³¤¶È СÊýλ ±êʶ Ö÷¼ü ÔÊÐí¿Õ ĬÈÏÖµ ˵Ã÷
1 stuid uniqueidentifier 16 0 ÊÇ ·ñ (newid()) ѧÉúID
2 schid uniqueidentifier 16 0 ·ñ ѧУºÅ
3 classid uniqueidentifier 16 0 ÊÇ °à¼¶ID
4 stuname varchar 30 0 ·ñ ѧÉúÐÕÃû
5 oldname varchar 30 0 ÊÇ ÔøÓÃÃû
6 stucode varchar 20 0 ÊÇ Ñ§ºÅ


select * from gg_student_registration where semesterid='" + value + "' and stuid in (select stuid from gg_student where classid='" + value+ "' and isdeleted='0' ) 
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ÏÖÔÚÎÒÏë»ñ gg_student_registration¼ÓÉÏËû¶ÔÓ¦µÄѧÉúÐÅÏ¢gg_student
inner join

C# code:

select a.*,b.st


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