1.with语句
with Q1 as (select 2 as S from dual), Q2 as (select 4 as M from dual), Q3 as (select S, M, S*M, S/M from Q1, Q2) select * from Q3
1.with语句
with Q1 as (select 2 as S from dual), Q2 as (select 4 as M from dual), Q3 as (select S, M, S*M, S/M from Q1, Q2) select * from Q3