How to convert the lines into columns dynamically

HII
I have a 'report_line' with the following data table

location_code line_code value
LOC1 L1 12
loc2 L1 13
LOC1 L2 15
loc2 L3 11
LOC3 L1 9

Now I want the o/p by converting the line_codes in clumns as below

L1 L2 L3
LOC1 12 15
13 11 loc2
LOC3 9

How can I do this dynamically. Line codes are not constatnt, they can change for each scenario.

Thank you
Sandeep

I want just a sql for this query and no. columns ' maximum of are 6.

In this case you can do.

--sample data
with t
as
(
select 'loc1' location_code, 'L1' line_code, 12 value from dual union all
select 'loc2', 'L1', 13 from dual union all
select 'loc1', 'L2', 15 from dual union all
select 'loc2', 'L3', 11 from dual union all
select 'loc3', 'L1', 9 from dual
)
--end of sample data
select location_code,
       max(decode(line_code, 'L1', value, null)) L1,
       max(decode(line_code, 'L2', value, null)) L2,
       max(decode(line_code, 'L3', value, null)) L3,
       max(decode(line_code, 'L4', value, null)) L4,
       max(decode(line_code, 'L5', value, null)) L5,
       max(decode(line_code, 'L6', value, null)) L6
  from t
 group by location_code

Here I used the WITH clause as an example of table. You can replace the "t" table name in the select statement with your actual table and remove the WITH clause.

Tags: Database

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