Version History of River Land Use Polygons in Helsingin kaupunkiympariston toimiala, Finland
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This table contains the version history of rows from the 'avoindataseutukartta_maankaytto_joet__seutukartta_maankaytto_joetpolygon' table. It includes additional columns '_start_date' and '_end_date' to indicate when each version of a row was extracted from the data source. The table has various columns such as 'maankaytto', 'mtryhm', 'geom_geojson', 'geom_geotext', 'geom_type', 'geom_centroid', 'geom_center_x', 'geom_center_y', 'geom', and 'tietopalve'. These columns contain different attributes related to the land use, geometry, and information services of the geographical features. The data in this table can be utilized in data analytics to analyze temporal changes in land use patterns, identify trends in different land use categories, perform spatial analysis on the geographic features, and understand the availability of information services in the given area. The data source for this table is the website of 'Helsingin kaupunkiympariston toimiala' from Finland (ISO country code: 'fi').
Field Descriptions
| Name |
Data type |
Description |
| _start_date | date | The start date indicating the beginning of the validity period for the row version. |
|---|
| _end_date | date | The end date indicating the end of the validity period for the row version. |
|---|
| _row_number | long | A unique identifier for each row version in the table. |
|---|
| maankaytto | string | The land use associated with the row version. |
|---|
| mtryhm | int | The land use group associated with the row version. |
|---|
| geom_geojson | string | The geometry of the row version in GeoJSON format. |
|---|
| geom_geotext | string | The geometry of the row version in text format. |
|---|
| geom_type | string | The type of geometry for the row version. |
|---|
| geom_centroid | string | The centroid of the geometry for the row version. |
|---|
| geom_center_x | double | The x-coordinate of the center point of the geometry for the row version. |
|---|
| geom_center_y | double | The y-coordinate of the center point of the geometry for the row version. |
|---|
| geom | binary | The geometry of the row version. |
|---|
| tietopalve | int | Additional information or data related to the row version. |
|---|
