Column_name,Column_Datatype,Column_Length,Column_Description SiteCode,nvarchar,24,An identifier for each site that is usually assigned by an organisation external to the archaeological contractor BagID,nvarchar,24,Number of the bag containing the sherd family: unique within the site code and prefixed with a two letter code taken from the Computer Domain to which the user belongs DecorTech,nvarchar,40,Description of the decorative technique applied to the sherd(s). Used in conjunction with MotifCode MotifCode,nvarchar,6,Description of the decorative motif applied to the sherd(s). Used in conjunction with DecorTech DecorTechCode,nvarchar,30,A Sub-category description dependant on the value in DecorTech