Can this be done by just a single query alone ?

Question

hi ,
I have the following data
id , type1 , duration, status
1 a 2 R
1 a 3 R
1 a 2 I
i need to become a single record as follows
id , type total , total_R , total I
1 a 7 4 2
partitition by does not allow where clause
besides 1st creating a table and then update the fields , is this possible in just using 1 query (besides unioning several query for total_R , total_I) ?
pls advise
tks & rgds

Answer 1

select id , case when type like '%I' then sum(time1)
end case total_1
group by id , -- if i do not speciy type it won't
work but what i want is a total over each different
idpls adviseSum should come outside the case statment. Try this
select id , sum(case when type like '%I' then time1 end) total_1
group by id There is no performance difference between case and decode.