DB ORACLE QUERY

Question

I have a table where storing details

ID     NAME
1       A
2       A
1       A

I need the output like

ID     Name   Count
1,2     A      3

Please help to get the output like that in oracle select query

Have you tried a query yet? Also, please tell us which version of Oracle you are using. — Tim Biegeleisen, Mar 14 '18 at 11:03
https://stackoverflow.com/questions/tagged/string-aggregation+oracle — , Mar 14 '18 at 11:05
Possible duplicate of [SQL Query to concatenate column values from multiple rows in Oracle](https://stackoverflow.com/questions/4686543/sql-query-to-concatenate-column-values-from-multiple-rows-in-oracle) — JohnLBevan, Mar 14 '18 at 11:10

score 2 · Accepted Answer · answered Mar 14 '18 at 11:14

2

In Oracle, you can use listagg(), but it has no distinct option. So, use a subquery and two levels of aggregation:

select listagg(id, ',') within group (order by id) as id, name, sum(cnt)
from (select id, name, count(*) as cnt
      from t
      group by id, name
     ) x
group by name;

answered Mar 14 '18 at 11:14

Gordon Linoff

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Thanks for the support – Sreejith A Mar 14 '18 at 11:30

DB ORACLE QUERY

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