For *For the attributes labeled as “coming from CSV”: CSV”:* 1. In *In the survey design, should I always mark the “only when expression is verified” using the “false()” function and having them as “Not required” and “hide when relevant”? relevant”?* 2. What **The attributes marked as coming "From CSV" are by default "Not Relevant", meaning that they shall not be shown to the user in the form interface (unless the user chooses to do so by marking the "Include in header" option which will make the attribute name and value shown in the top of the form)** *What is the purpose of having a code attribute with a code list, since the values of the attributes are coming from the csv (i.e. already spatially available info)? info)?* **It might be useful if you have really large surveys with loads of data. The Saiku database will be faster when using code lists rather than text attributes.**

For the attributes labeled as “coming from CSV”: 1. In the survey design, should I always mark the “only when expression is verified” using the “false()” function and having them as “Not required” and “hide when relevant”? 2. What is the purpose of having a code attribute with a code list, since the values of the attributes are coming from the csv (i.e. already spatially available info)?