RT_UNITS
This table has a row for each unit identifier and the corresponding unit symbol.
Columns in the RT_UNITS table
RT_UNITS  | 
RT_UNITS  | 
|---|---|
CONTROLID (PK)  | 
Numeric identifier for the control associated with the unit identifier and corresponding unit symbol.  | 
CONTROLREVISIONNUMBER  | 
Revision number for the control associated with the unit identifier and corresponding unit symbol.  | 
UNITID (PK)  | 
Internal identifier for the unit and the corresponding unit symbol.  | 
UNITREVISIONNUMBER  | 
Internal revision number for the unit.  | 
CLASSIFICATION  | 
Type specified in the MedML, such as volume or length.  | 
UNITREFNAME  | 
RefName for the unit.  | 
UNITSYMBOL  | 
Symbol string for the unit.  | 
BASEUNITID  | 
Unit identifier of the base unit definition. If this equal to the UnitID, this is the base unit.  | 
BASEUNITREVISIONNUMBER  | 
Revision number for the base unit.  | 
CONVERTTOBASEID  | 
Associated rule identifier that will convert from this unit to the base unit; the value is NULL if this is the base unit.  | 
CONVERTTOBASEREVISIONNUMBER  | 
ConvertToBase revision number.  | 
CONVERTFROMBASEID  | 
Associated rule identifier that will convert from the base unit to this unit; the value is NULL if this is the base unit.  | 
CONVERTFROMBASEREVISIONNUMBER  | 
ConvertFromBase revision number.  | 
DESIGNNOTE  | 
Design note for the unit, as provided by the study designer.  | 
CREATEDBYUSERID  | 
User ID of the user whose action resulted in the given table row being created.  | 
CREATEDBYDATETIME  | 
Date and time when the table row was created.  | 
MODIFIEDBYUSERID  | 
User ID of the user whose action resulted in the most recent change to data in the given table row.  | 
MODIFIEDDATETIME  | 
Date and time when the data in the table row was most recently updated.  | 



