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Tas vairāk bija domāts tā - KĀPĒC MĒS NEDABŪJAM "ORA-00918: column ambiguously defined"???
piemēram...
select val
from (select 1 as id, 'abc' as val from dual) A
join (select 1 as id, 'def' as val from dual) B
on (a.id = b.id)
piemēram...
select val
from (select 1 as id, 'abc' as val from dual) A
join (select 1 as id, 'def' as val from dual) B
on (a.id = b.id)
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