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create table t1 (
pk int primary key,
a int,
b int
);
insert into t1 values
( 1 , 0, 10),
( 2 , 0, 10),
( 3 , 1, 10),
( 4 , 1, 10),
( 8 , 2, 10),
( 5 , 2, 20),
( 6 , 2, 20),
( 7 , 2, 20),
( 9 , 4, 20),
(10 , 4, 20);
select a,
percent_rank() over (order by a),
cume_dist() over (order by a)
from t1;
select pk,
percent_rank() over (order by pk),
cume_dist() over (order by pk)
from t1 order by pk;
select a,
percent_rank() over (partition by a order by a),
cume_dist() over (partition by a order by a)
from t1;
drop table t1;
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