ODM2 [ODM2_DBWrench_Schema.xml]

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SamplingFeatureExternalIdentifiers

(Table)

Columns
PK	Name	Data Type	NULLs	A/N	Default	Comment	FK
	BridgeID	Integer			nextval('"ODM2ExternalIdentifiers"."SamplingFeatureExternalIdentifiers_BridgeID_seq"'::regclass)	Primary key for a bridge table, enabling many-to-many joins.
	SamplingFeatureID	Integer				Foreign Key to SamplingFeatures
	ExternalIdentifierSystemID	Integer				Foreign Key to ExternalIdentifierSystems
	SamplingFeatureExternalIdentifier	VarChar(255)				A resolvable, globally unique ID, such as an IGSN. Could be a Uniform Resource Name (URN).
	SamplingFeatureExternalIdentifierURI	VarChar(255)				Uniform Resource Identifier (URI), preferably in the form of a persistent URL that is self-documenting.

Indexes (none)

Foreign Keys
Name	Parent Table	Child Table	Parent Columns	Child Columns
fk_SamplingFeatureExternalIdentifiers_ExternalIdentifierSystems	ODM2ExternalIdentifiers.ExternalIdentifierSystems	ODM2ExternalIdentifiers.SamplingFeatureExternalIdentifiers	ExternalIdentifierSystemID	ExternalIdentifierSystemID
fk_SamplingFeatureExternalIdentifiers_SamplingFeatures	ODM2Core.SamplingFeatures	ODM2ExternalIdentifiers.SamplingFeatureExternalIdentifiers	SamplingFeatureID	SamplingFeatureID

Parent Relations (none)

Triggers (none)

Used in Diagrams

Diagram Name

ODM2ExternalIdentifiers