Hello Experts, I have two variables in two tables. The first variable, Var, in the first table , it is a big table. The second variable, var_ref, in the second table (reference table) , it is a small table.   Output Rules: If var =var_ref then CommonValue='equal' if there is a common values then CommonValue = "common values betwwen var and var_ref" if not CommonValue=''   > Big Table Var First  one Test number one   > Ref table Var_Ref one First one Test number    > Output Var Var_Ref Common  Values First  one one one First  one First one equal Test number one one one Test number one number number Test number one Test Test ... View more