Concatenate values from different records based on group ID

I ve got this result from a query:

What I'd like to achieve is SUM(Score) per each group and display the [Seq] values, for the group, concatenated and separated with commas.
Like this:

6294    50.5     5,2,1,9,3
6366    63        2,5,7,6

Many thanks
Adrian CrossAsked:
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SujithData ArchitectCommented:
Oracle has a listagg function to do the contatenation -

select id, sum(score), listagg(seq, ',') within group(order by seq) seq_list
from test_tbl
group by id;

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Adrian CrossAuthor Commented:
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