prod_codigo  esps_fecini  day1    day2    day3    day4    day5  day6  day7
1077         2018-11-12   200.00  200.00  250.00  250.00  0.00  0.00  0.00
...

prod_codigo  esps_fecini   Bins
1077         2018-11-12    200.00
1077         2018-11-13    200.00
1077         2018-11-14    250.00
1077         2018-11-15    250.00
1077         2018-11-16    0.00
1077         2018-11-17    0.00
1077         2018-11-18    0.00
...

select prod_codigo,esps_fecini,U.Bins
from dba.estimprodsemana
unpivot
(
Bins
for datos in (esps_cadia1,esps_cadia2,esps_cadia3,esps_cadia4,esps_cadia5,esps_cadia6,esps_cadia7)
) U