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create table TBL (letters varchar(10), numbers int);
insert into TBL
with cte as (select 'A' letters, 1 numbers
union all
select 'B', 2
union all
select 'C', 3
union all
select 'D', 4)
select d.letters, c.numbers from cte c, cte d
SELECT LT1.LETTERS, NB.NUMBERS
FROM (SELECT DISTINCT NUMBERS
FROM TBL
ORDER BY NUMBERS) AS NB
JOIN (SELECT DISTINCT LETTERS, RN
FROM (SELECT LETTERS, DENSE_RANK() OVER (ORDER BY LETTERS) RN
FROM TBL
ORDER BY LETTERS) T) AS LT1
ON NB.NUMBERS = LT1.RN
| LETTERS | NUMBERS |
|---|---|
| A | 1 |
| B | 2 |
| C | 3 |
| D | 4 |