UW001

Properties of Attributes in entity 2 table: Methods of collection for monthly stream water chemistry data collected by the Portland Bureau of Environmental Services

Name	Keyfield	Nullable	Type	Domain	Scale	NumType	Range	Precision	Units	Missing Value Code
DBCODE	N	N	char(5)	enum	nominal
ENTITY	N	N	numeric(2,0)	range	interval	natural	2.-2.		number
PROJECT	Y	N	char(2)	enum	nominal
SITECODE	Y	N	char(4)	place	ordinal
PARAMETER	Y	N	varchar(20)	enum	nominal
METHOD	Y	N	char(15)	enum	nominal
START_DATE	Y	N	datetime	range	datetime		Jan 7 1998-Jul 12 2010		date as date type
END_DATE	Y	N	datetime	range	datetime		Mar 2 1998-Aug 30 2010		date as date type