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mutiple views joins

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3 | 2005-10-30 17:05:33 | 显示全部楼层 |阅读模式

I wabt to join 5 views together which all have one column same:
view1
a1 xxx ccccc
a2 zxc fdgdfsd
a3 cvf fdgdfggfgf
view2
a1 cvnnbn dhgfhgf
a2 ghjghjjgggggg
a3 nnnngg ffffffffssdf
view3
a1vvvvvvgggggg
a2bbbbbbjjjjjjjjjjjjjjjjj
a3yyyyyyyjkjhkhjkhj
...........
How to join these 5 views together with sql statement?

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千问 | 2005-10-30 17:05:33 | 显示全部楼层

inner join阿

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千问 | 2005-10-30 17:05:33 | 显示全部楼层

How to write?

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千问 | 2005-10-30 17:05:33 | 显示全部楼层

select a.*
from view1 a inner join view2 b on a.c1=b.c1 and a.c2=b.c2 and a.c3=b.c3
inner join view3 c ona.c1=c.c1 and a.c2=c.c2 and a.c3=c.c3

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