Two The purpose is usually a default benefit so a nullable Test defeats the point. Keith's answer demonstrates that by initialising it while in the Ctor. If It is really for that dB I don't really see much change than having a default column benefit and enable it to be https://commercialscoforsaleingurgaon.politics.blog/2025/07/08/m3m-altitude-sector-65-gurgaon-exceptional-residential-address/