Comaore tables - SQL Server Forums

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Comaore tables

Author

Topic

engcanada
Starting Member

39 Posts

Posted - 2008-12-03 : 12:24:21

Hi,
How can I compare 2 tables in the same database and retreive data from one of the tabels that does do exist in the other.

Thank you simon

sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2008-12-03 : 12:39:30

select * from table 1
except
select * from table 2

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-12-03 : 13:33:04

Also another method would be


select *
from
(
select *,1 as cat from table 1
union all
select *,2 from table 2
)t
group by <all fields except cat here>
having sum(case when cat=2 then 1 else 0 end)=0

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