有可能以某种方式做到这一点吗？
WITH T1 AS
(
SELECT 1 AS SEQ, 'NOTHING 1' AS SOME_TYPE FROM DUAL UNION ALL
SELECT 2 AS SEQ, 'NOTHING 2' AS SOME_TYPE FROM DUAL UNION ALL
SELECT 3 AS SEQ, 'SOMETHING 1' AS SOME_TYPE FROM DUAL UNION ALL
SELECT 4 AS SEQ, 'SOMETHING 2' AS SOME_TYPE FROM DUAL UNION ALL
SELECT 5 AS SEQ, 'SOMETHING 3' AS SOME_TYPE FROM DUAL UNION ALL
select 6 as seq, 'SOMETHING 4' AS SOME_TYPE from dual
)
, T2 AS
( …