create table #t (dt date, c1 int, c2 int)
insert into #t values ('20190101',1,4)
insert into #t values ('20190101',2,5)
insert into #t values ('20190101',3,6)
insert into #t values ('20190101',1,4)
insert into #t values ('20190101',2,5)
insert into #t values ('20190101',3,6)
select
dt,col_value
from
#t
unpivot (
col_value for col_name in (c1, c2)) as d
order by col_value
Best Regards,Uri Dimant SQL Server MVP,http://sqlblog.com/blogs/uri_dimant/
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