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ID [Name] Department_ID
1 ×ܾÀí 1
2 רÂôµêµê³¤ 2
3 רÂôµêÔ±¹¤ 2
4 ÈËʲ¿¾Àí 3
5 ÐÐÕþÖúÀí 3
6 ÈËÊÂרԱ 3
ÎÒÏë±ÈÈçÊäÈë'ÐÐÕþÖúÀí',ÔõôÊä³öËûÔÚËù´¦Department_IDµÄλÖÃÅÅÐò'2'
×¢Òâ²»ÊÇ˵¾ÍÊÇDepartment_ID
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Á½Õűí
create table A
(
idcard varchar(20),
aa varchar(20),
bb varchar(30)
)
create table B
(
idcard varchar(20),
aa varchar(20),
bb varchar(30)£¬
cc varchar(30)
)
ÏÖÔÚ¸ù¾Ýidcard Ïàͬ£¬Ó ......
¶¨Òå±äÁ¿s,sqlΪstringÀàÐÍ£¬sΪº¯Êý²ÎÊý£¬sql£º='select field1 from table1 where'+s;ÔËÐÐʱs¸³ÖµÎªid>7»òÕßid<7¡¢id=7,µ«ÊÇÔËÐÐʱ×ÜÊdzö´í£¬Çë¸÷λ°ïÎÒ¸Ä´í£¬¶àл£¡
showMessage(sql)Ï¿´¿´
sql£º='select field1 from table1 where '+s;
ÓпÉÄÜwhereºó±ßÒª¼Ó¸ö¿Õ¸ñ
Êǿոñ
¸Ðл2룬2Â¥Â鷳˵Ïêϸһµã ......
Êý¾Ý£º Äê Ô ÈÕ ¿ªÅÌ ÊÕÅÌ
ʹÓÃÏÂÃæÓï¾äËÑË÷µ½ÁË Ã¿Äêÿ¸öÔµÄÔ³õºÍÔÂÄ©¶¼ÊǼ¸ºÅ
select Äê,ÔÂ,MIN(ÈÕ) as frist,MAX(ÈÕ) AS laset from mt4his.DB GROUP BY Äê,ÔÂ
ÎÒÏëµÃµ½ ÿÄêÿ¸öÔµÄÔ³õºÍÔÂÄ© Ëù¶ÔÓ¦µÄ ¿ªÅÌ ÊÕÅÌ Ó¦¸ÃÔõôд
µÚÒ»Ì쿪Å̾ÍÊÇÕûÖÜÔÂÄêµÄ¿ªÅÌ£¬×îºóÒ»ÌìÊÕÅ̾ÍÊÇÕûÖÜÔÂÄêµÄÊÕÅÌ
´ó ......
²é³öcx°ü¹ü5µÄ...µ«ÊDz»Òª²é³öÀ´15,25,35,Ö®ÀàµÄ
1LÕý½âÎÒ²ä·Ö
SQL code:
--> ²âÊÔÊý¾Ý£º[tb]
if object_id('[tb]') is not null drop table [tb]
go
create table [tb](cx varchar(8))
insert [tb]
select '1,' union all
select '5,12' union all
select '15,23,' union all
select '25,35,' union al ......
SSH2 ÖÐÖ´ÐдúÂ룺
Java code:
Session se = getHibernateTemplate().getSessionFactory().openSession();
Query query = se.createSQLQuery("select * from student");
List<Student> list = query.list();
Syste ......