Dynamic pivot in oracle( in clause)

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I have a data like this

TYPE  RANGE               SALES
A     20180301-20180101     100
A     20171201-20171031   150 
A     20170930-20170731    100
B     20180301-20180101    200
B     20171201- 20171031   200

i want output like this

TYPE 20180301-20180101   20171201-20171031 20170930-20170731
A      100                   150               100

What I have tried:

This is what I have tried

SELECT
FROM
(
SELECT TYPE,MONTH_RANGE,SALES
FROM TABLE
)
pivot
(
    SUM(SALES)
    FOR (MONTH_RANGE) IN (SELECT DISTINCT MONTH_RANGE FROM TABLE)
)

And I tried with XML as well, but its not in a proper format

pivot xml (SUM(SALES) for (month_range) in (SELECT DISTINCT MONTH_RANGE FROM TABLE))

I want this month range to be dynamic not like

for month_range in ('20180301-20180101')

Posted 26-Apr-18 7:06am

pradeep kumar

Updated 26-Apr-18 22:36pm

v3

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Wendelius · Answer 1 · 2018-04-26T07:10:00

As far as I know you cannot achieve dynamic pivoting. When a SQL statement is executed, the system needs to know the structure of the result set at compile time. This cannot be achieved if the list of columns would by dynamic

So one possibility is to do this in two phases, first fetch the ranges and then build the SQL statement and execute it. Another approach could be to forget the dynamin pivot and fetch the dynamic portion using a XMLELEMENT

Maciej Los · Answer 2 · 2018-04-26T22:38:00

Solution 2

I'd suggest to read this: Dynamic pivot in oracle sql - Stack Overflow[^] - second solution.

Posted 26-Apr-18 22:38pm

Maciej Los