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join 2 tables [message #10373] Mon, 19 January 2004 00:28 Go to next message
ubaid
Messages: 2
Registered: December 2003
Junior Member
hi all,

how to join 2 different tables( when there is no common column between them) like join table˙AA =>˙columns srno(number),sal(number) with table BB˙ => columns stock(number).

thanx in advance.

˙
Re: join 2 tables [message #10374 is a reply to message #10373] Mon, 19 January 2004 01:12 Go to previous messageGo to next message
Srinivas
Messages: 138
Registered: June 2000
Senior Member
select srno,sal,(select stock from bb) stock
from aa

works only from 8i above..
Re: join 2 tables [message #10375 is a reply to message #10374] Mon, 19 January 2004 01:14 Go to previous messageGo to next message
Srinivas
Messages: 138
Registered: June 2000
Senior Member
Sorry.. wrong answer.. please ignore..
Re: join 2 tables [message #10376 is a reply to message #10373] Mon, 19 January 2004 01:17 Go to previous messageGo to next message
Srinivas
Messages: 138
Registered: June 2000
Senior Member
SELECT Srno,Sal,stock FROM aa,bb
GROUP BY Srno,Sal,Stock

group by to ignore the cartesian products..
Re: join 2 tables [message #10398 is a reply to message #10376] Tue, 20 January 2004 23:12 Go to previous message
obed khan
Messages: 2
Registered: December 2003
Junior Member
join using emp and dept tables with different columns
the query is

select ename,dname from emp,(select empno,dname from
(select rr,empno,dname,r from(select rownum rr,empno
from emp),(select rownum r,dname from dept))
where r=rr) v
where emp.empno=v.empno(+)
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