ODM2 [ODM2_DBWrench_Schema.xml] |
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SamplingFeatureExternalIdentifiers | (Table) |
Columns | |||||||
PK | Name | Data Type | NULLs | A/N | Default | Comment | FK |
| BridgeID | Integer |
| Primary key for a bridge table, enabling many-to-many joins. | |||
SamplingFeatureID | Integer | Foreign Key to SamplingFeatures |
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ExternalIdentifierSystemID | Integer | Foreign Key to ExternalIdentifierSystems |
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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) |
Used in Diagrams |
Diagram Name |
ODM2ExternalIdentifers |