concatenate tables only if they exists
I am trying to create a workflow when I would like to open multiple tables and concatenate them. The issue I am running into is that I don't know whether the tables will be available. As an example let's assume I may have up to 8 tables total. Let's call them table1, table2... table8.The workflow I created assumed all tables exists, but if I remove one or a few tables it generates the error since ...