How to display the column value
adjacent to each other?
The general format of the query is :
SELECT a.dnum, b.cnum
FROM
(select rownum num1,
decode(mod(rownum,2),1,your_column_name)
dnum
from your_table_name ) a,
(select rownum num2,
decode(mod(rownum,2),0,your_column_name)
cnum
from your_table_name ) b
where (a.dnum is not null and b.cnum
is not null)
AND b.num2=a.num1+1
A particular example is :
SELECT a.dnum, b.cnum
FROM
(select rownum num1,
decode(mod(rownum,2),1,ename) dnum
from emp ) a,
(select rownum num2,
decode(mod(rownum,2),0,ename) cnum
from emp ) b
where (a.dnum is not null and b.cnum is
not null)
AND b.num2=a.num1+1
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