Two The purpose is often a default price so a nullable Verify defeats The purpose. Keith's solution demonstrates that by initialising it within the Ctor. If it's for that dB I do not seriously see Substantially big difference than possessing a default column value and make it a non-null column https://www.reddit.com/user/MaxEstates36a/comments/1kkh6vh/m3m_altitude_sector_65_gurgaon_live_the/