Two decision tables into one Result table

Good day all,

Please suggest the best way how to collect information from 2 different decision tables that have a Key field into one result table.

for example

DT_1 have columnt A and column B(key column).

DT_2 have column B(key column) and column C

Now i have itab_table that need to be filled with A and C columns.

I tried to loop at DT_1 insert value column A to itab_table.

then tried in rules of first loop i tried to loop at DT_2 with condition column B = (don't know how to give this value dynamycally from 1st loop at DT_1).

Rg Dan