TP114

Properties of Attributes in entity 3 table: Tree Core data

Name	Keyfield	Nullable	Type	Domain	Scale	NumType	Range	Precision	Units
DBCODE	N	N	char(10)	enum	nominal
ENTITY	N	N	numeric(2,0)	range	ratio	integer	3.-3.	1.	number
WATERSHED	Y	N	char(10)	place	nominal
YEAR	Y	N	numeric(4,0)	range	ratio	integer	2002.-2002.	1.	year (yyyy)
PLOT	Y	N	numeric(2,0)	range	ratio	integer	1.-70.	1.	number
TAG	Y	N	numeric(4,0)	range	ratio	integer	1.-1000.	1.	number
SPECIES	Y	N	char(8)	taxa	nominal
DBH	N	Y	numeric(5,1)	range	ratio	real	1.0-50.0	0.1	centimeters
POSITION	N	Y	char(1)	enum	nominal
BARKTHICK	N	Y	numeric(4,1)	range	ratio	real	0.1-2.0	0.1	centimeters
SAPWTHICK	N	Y	numeric(4,1)	range	ratio	real	0.5-12.0	0.1	centimeters
PLOTID	N	N	char(8)	place	nominal
SAMPLEDATE	N	N	datetime	range	datetime		Jun 18 2002-Jul 23 2002		date as date type
COMMENTS	N	Y	varchar(80)	freetext	nominal