Yeah, thats what I thought that NoSql solutions like mongoDB etc. would be better suited for this purpose. However, I haven't come across a resource from NoSql

Yeah, thats what I thought that NoSql solutions like mongoDB etc. would be better suited for this purpose. However, I haven't come across a resource from NoSql side that goes in depth of explaining how to really implement: How you are connected with a certain person. etc.