SiteID 
Definition  Identifies the unique distributed database ID where the row was inserted. Distributed databases are no longer supported so this column is deprecated. 

Build 
Definition  Identifies the build number and patch level of the software that inserted/updated this row. The format is the Build number followed by 3 digits for the patch level which is typically 000. The build number is tied to specific versions of the software, e.g. Sunrise 15.3 is Build 5021, Sunrise 16.3 is Build 5503. 

TouchedBy 
Definition  Information about the user that last updated the row. This will typically be the UserID (IDCode from CV3User table) and may be prefixed with an environment identifier followed by an underscore, e.g. b96d2bf5_jongmore. 

TouchedWhen 
Definition  The date and time that the row was last updated and will be based on the Enterprise time zone. 

CreatedBy 
Definition  Information about the user that created the row. This will typically be the UserID (IDCode from CV3User table) and may be prefixed with an environment identifier followed by an underscore, e.g. b96d2bf5_jongmore. 

CreatedWhen 
Definition  The date and time that the row was created and will be based on the Enterprise time zone. 

Active 
Definition  Denotes whether the row is active or not, 0 means the row has been soft deleted or deactivated. 

ReferencedOEIID 
Definition  Auto generated unique primary key value. 

ClientDocumentGUID 
Definition  ClientDocument that has a referenced value 

ReferencedClientDocumentGUID 
Definition  Clientdocument from which the reference has occurred 

ObservationEntryItemGUID 
Definition  ObservationEntryItem which is being referenced 

MSrepl_tran_version 
Definition  Optimistic lock identifier. 

IsReferencedItemInNote 
Definition  IsReferencedItemInNote 

MSReplrowguid 
Definition  Unique GUID used to support merge replication.