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. 

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. 

ObsFlowsheetTaskItemID 
Definition  Auto generated unique primary key value. 

FlowsheetTaskItemID 
Definition  A foreign key to the FlowsheetTaskItemID column in the SXACDFlowsheetTaskItem table. 

ObservationDocumentGUID 
Definition  Foreign Key from CV3ObservationDocument 

MSReplrowguid 
Definition  Unique GUID used to support merge replication.