Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| taxonid | int4 | 10 | null |
|
|
Taxon identification number. Field links to the Taxa table. |
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| ecolsetid | int4 | 10 | null |
|
|
Ecological Set identification number. Field links to the EcolSetTypes table. |
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| ecolgroupid | varchar | 4 | null |
|
|
A four-letter Ecological Group identification code. Field links to the EcolGroupTypes table. |
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| recdatecreated | timestamp | 22 | timezone('UTC'::text, now()) |
|
|
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| recdatemodified | timestamp | 22 | null |
|
|
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| ecolgroups_pkey | Primary key | Asc/Asc | taxonid + ecolsetid |
| ecolgroups_unique | Must be unique | Asc/Asc/Asc | taxonid + ecolsetid + ecolgroupid |
| ix_ecolgroupid_ecolgroups | Performance | Asc | ecolgroupid |
| ix_ecolsetid_ecolgroups | Performance | Asc | ecolsetid |
| ix_taxonid_ecolgroups | Performance | Asc | taxonid |