Mathematical division in link table doesn't show result

[lessassy]

Hello everyone,

I have two field in my scripts that are on differents table.

TAB_1:

Load *

Measure_1 from xyz;

TAB_2:

Loa *

Measure_2 from abc;

I have a Fact table which has all my main field:

FACT_TABLE

Load *

SUM(Measure_1)/Sum(Measure_2) as KPI

The thing is when i make this calculation in a set analysis i get data but here i get zero values... or no values at all.

Could anyone help me on that matter ?

thank you