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drop table if exists my_table; create table my_table(p_no int, type text, name text, value int); insert into my_table values (1, 'A', 'Tomy', 1), (1, 'A', 'Nick', 2), (1, 'B', 'Tomy', 3), (1, 'B', 'Nick', 4), (1, 'C', 'Tomy', 5), (1, 'C', 'Nick', 4), (2, 'A', 'Tomy', 8), (2, 'A', 'Nick', 7), (2, 'B', 'Tomy', 5), (2, 'B', 'Nick', 4);
DROP TABLE
CREATE TABLE
INSERT 0 10
select p_no, t[1] as "A", t[2] as "B", t[3] as "C" from ( select p_no, array_agg(value order by type) as t from my_table where name = 'Tomy' group by p_no ) s
p_no
A
B
C
1
1
3
5
2
8
5
null
SELECT 2