In some scenarios (perhaps due to security concerns), administrators may come to the requirement to create users that can only be able to import tables to Strategy. For such users, the minimum privileges are "Bypass schema objects security access checks" and "Use Architect Editor" under Architect:

And the minimum permissions that users need to have are Read and Write permissions on folders Schema Objects > Tables and Partition Mappings:

If above permissions is not setup correctly, then following error will appear upon opening up Warehouse Catalog:

You do not have enough permissions to write to the '\Strategy Tutorial\Schema Objects\Tables' folder. Please ask your administrator to grant you the right permissions.