Table: CV_Units

A unit refers to the dimension of data values of a quantitative attribute, help users unambiguously interpret the meaning of data values. Qualitative attributes like a “dam owner name” have no unit. The Units table applies to the Attributes table in WaM-DaM Core and enforces the same unit for all attributes across the instances of an Object to meet the consistency of units in particular Data Structure as used in modeling.

Columns

PK	Name	Data Type	NULL	Auto	Default	Comment	FK
	Name	VarChar(255)				Primary key identifier
	Term	VarChar(255)				Text name for the unit
	Definition	VarChar(5000)				Text notes describing the unit
	Category	VarChar(255)				a text that defines the unit type e.g., length or volume/time
	UnitSystem	VarChar(255)				International System of Units (SI) or Imperial units (English)
	UnitAbbreviation	Char(50)				Text abbreviation for the unit
	SourceVocabularyURI	VarChar(5000)				A link to a description of or a formal specification of the spatial reference system.
	LinearFactor	Float				See HydraPlatform http://umwrg.github.io/HydraPlatform/devdocs/techdocs/units_and_dimensions.html?highlight=unit
	ConstantFactor	Float				See HydraPlatform http://umwrg.github.io/HydraPlatform/devdocs/techdocs/units_and_dimensions.html?highlight=unit

Indexes

(none)

Foreign Keys

(none)

Triggers

(none)

Used in Diagrams

02_WaMDaM_WCVs

03_CVs