Get Records from SYS.DUAL in rowwise
in TR Internal
HI ,
I would like to know whether we can get the rows from dual in rows.
For Example:
select 'a','b','c' from Dual.
Ouput:
'A' 'B' 'C'
a b c
But I required output in rowwise.i.e.,
Required Output:
a
b
c
I need a solution with nested query.without union and level commands Any help in this regard is highly appreciated.
I would like to know whether we can get the rows from dual in rows.
For Example:
select 'a','b','c' from Dual.
Ouput:
'A' 'B' 'C'
a b c
But I required output in rowwise.i.e.,
Required Output:
a
b
c
I need a solution with nested query.without union and level commands Any help in this regard is highly appreciated.
Tagged:
0
Answers
-
This is one solution using union.
Just for reference
select 'a' from dual union select 'b' from dual union select 'c' from dual;0 -
I think you want UNPIVOT: select value from ( (select 'a' a, 'b' b, 'c' c from dual) unpivot (value for value_type in (a, b, c)) ) Further info in the PIVOT article :
http://www.oracle.com/technetwork/articles/sql/11g-pivot-097235.html1 -
Thanks for the solution Johnson. The solution is good but it is not working in my case.I'm getting identifier too long exception in oracle. i'm copying sample query of mine.
select value from ( (select 'Ie170f580807f11dba40cc0b31b37cea1' Ie170f580807f11dba40cc0b31b37cea1, 'Ie17c1910807f11dba40cc0b31b37cea1' Ie17c1910807f11dba40cc0b31b37cea1, 'Ie17c8e40807f11dba40cc0b31b37cea1' Ie17c8e40807f11dba40cc0b31b37cea1 from dual) unpivot (value for value_type in (Ie170f580807f11dba40cc0b31b37cea1, Ie17c1910807f11dba40cc0b31b37cea1, Ie17c8e40807f11dba40cc0b31b37cea1)));
0 -
That's because your identifiers are too long. Oracle has a limit of 30 characters for identifiers. Try this: select value from ( (select 'Ie170f580807f11dba40cc0b31b37cea1' a, 'Ie17c1910807f11dba40cc0b31b37cea1' b, 'Ie17c8e40807f11dba40cc0b31b37cea1' c from dual) unpivot (value for value_type in (a, b, c)) );0
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