Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | 
|---|---|---|---|---|---|---|---|---|
| obj_id | varchar | 16 | √ | tww_app.generate_oid('tww_od'::text, 'individual_surface'::text) | 
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| function | int4 | 10 | √ | null | 
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| inclination | int2 | 5 | √ | null | 
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| pavement | int4 | 10 | √ | null | 
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| perimeter_geometry | geometry | 2147483647 | √ | null | 
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| fk_dataowner | varchar | 16 | √ | null | 
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| fk_provider | varchar | 16 | √ | null | 
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| fk_wastewater_networkelement | varchar | 16 | √ | null | 
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| identifier | text | 2147483647 | √ | null | 
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| last_modification | timestamp | 29,6 | √ | null | 
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| remark | text | 2147483647 | √ | null | 
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| sewer_infiltration_water_production | numeric | 9,3 | √ | null | 
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