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

RepFlags 
Definition  Indicates the action in a distributed database environment. 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. 

GUID 
Definition  Unique primary key value. 

FlowsheetVersionGUID 
Definition  A foreign key to the GUID column in the CV3FlowsheetVersion table. 

ParentItemGUID 
Definition  A foreign key to the GUID column in the CV3ObservationEntryItem table. 

InputItemGUID 
Definition  A foreign key to the GUID column in the CV3ObservationEntryItem table. 

PlaceHolder 
Definition  Stores operands in a calculation formula 

MSrepl_tran_version 
Definition  Optimistic lock identifier. 

ObsMasterItemGUID 
Definition  If specified, it point to the record in CV3ObsCatalogMasterItem. Can be any numeric observation from any flowsheet. ObsMasterItemGUID used in advance calculation formula by ParentItemGUID 

ResultCatalogItemGUID 
Definition  If specified, it point to the record in CV3ResultCatalogItem. ResultCatalogItemGUID used in advance calculation formula by ParentItemGUID. 

MSReplrowguid 
Definition  Unique GUID used to support merge replication.