Append Data for Dim Table

Question

Hi Everyone,I have a few fact tables that all share the column "registration". In my original build, I created a dim table by just saying:Select Distinct [registration ]from Table1 etcNow that I have other fact tables, is it possible to append all of those registration columns and then select distinct from the full list? Thanks

Hamza Jap-Tjong · Accepted Answer

Hey danielrabinovit ,If you want to combine tables you can use union all to accomplish that. After that you can use distinct to make it unique. So for example you can do this:select distinct * from ( select registration from table_a union all select registration from table_b unoin all select registration from table_X )Hamza