Column_name,Column_Datatype,Column_Length,Column_Description
EntityID,int,4,System number uniquely identifying the entity
ProjectCode,nvarchar,30,The code of the project that first identified the entity
SiteEntityName,nvarchar,40,A pseudo-numeric identifier used on site to allow cross-referencing between the paper records. Typically written in the form SiteCode space Unique Number within a site. Requires the use of a separate to the system paper register to implement in the field
Entity,nvarchar,100,The name of the entity
ConstructionPhase,nvarchar,22,The presumed phase in which the entity was constructed
DestructionPhase,nvarchar,20,The presumed phase in which the entity was destroyed
EntityDescription,ntext,16,Free text description and interpretation of the entity
Author,nvarchar,50,The author of the entity
EntityStage,nvarchar,40,An indication of the stage of archaeological work in which the entity was defined
EntityLevel,nvarchar,40,Describes the type of entity
SiteCode,nvarchar,24,An identifier for each site that is usually assigned by an organisation external to the archaeological contractor and equivalent to a Sites and Monument record event
Feature,int,4,A context number indicating a feature
FeatureGIS,nvarchar,50,Site Code and context combined to provide a single key for the GIS. Feature = the defined extent of an archaeological feature. This field can be used for spatial querying and phase plan production across multiple site codes and context ranges