Please help me to built sql query for fetching data

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3.00/5 (2 votes)

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I have two table currentmember[record of current existing users] and memberhistory
[ex-users]
they both maintain seprate records
Both tables have same structure and
mem_id uniqueidetifier,
membername varchar(200),
DOB DATETIME,
Address varchar(500)

Please Note:
memberhistory table content records when user leave the orgaization it moved to memberhistory table
and deleted from currentmember table

NOW i want to fetch records from both table irrespective of current and history table
with single query according DOB DESC
PLEASE HELP
Many thanks..

Posted 7-Jan-12 19:03pm

Rakesh S S

Updated 7-Jan-12 19:28pm

v2

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Mehdi Gholam · Answer 1 · 2012-01-07T20:09:00

Solution 1

You can use a UNION operator, like :

SQL

select * from (
select * from [ex-users]
union 
select * from [memberhistory]
) as t order by DOB_DATETIME

Posted 7-Jan-12 20:09pm

Mehdi Gholam

v2

Comments

Rakesh S S 8-Jan-12 3:22am

Without Union is it possible?

Mehdi Gholam 8-Jan-12 3:33am

Try and see!

Amir Mahfoozi 8-Jan-12 4:40am

+5 Also he can use a field named Active and set it to 0 when someone leaves his organization.

Mehdi Gholam 8-Jan-12 5:02am

Thanks

Rakesh S S 8-Jan-12 8:25am

It is possible to have a mode active and inactive but

@ same time same table was used in many other modules

n i dont want to disturb current flow