Selecting for Dummies
- From: "Nabil Jamaleddin" <nmjamaleddin@xxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 19 Nov 2013 08:54:12 -0600
This works fine:
select (select b.dummy from dual b where b.dummy = a.dummy) from dual a;
But this does not.
select (select * from (select b.dummy from dual b where b.dummy = a.dummy))
from dual a;
ora-00904 a.dummy: invalid identifier
a.dummy seems to lose focus after getting nested twice. Is this normal?
Using oracle 11.2.0.3 on Linux.
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