Version History of Base Table Rows in Swedish Dataset Collection

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The table under consideration is a history table that is a part of a dataset collection. It is sourced from the webpage of Lantmäteriet (The Land Survey) in Sweden. The main purpose of this table is to store the version history of its base table rows. It consists of several columns that store various types of information. For instance, it includes specific columns that record the date when the row was extracted from the data source and when a new version of the same row was extracted. If the latter is null, it signifies that the row is the most recent version. Additionally, it contains a column that records the number of the row in the raw data extracted from the data source. The combination of this column with the extraction date column uniquely identifies each row in this version history table. The table also includes geographic information transformed from the shapefile format. A shapefile is a format used to store the geometric location and attribute information of geographic features. This table, therefore, contains information represented by points, lines, or polygons (areas). As for data analytics, this table can be quite useful. For example, it can be used to track changes in geographic features over time, analyze trends in the data, and even predict future changes based on past patterns. Moreover, the ability to identify each row uniquely can aid in maintaining data integrity and avoiding duplication, thereby enhancing the accuracy of analysis outcomes.

Field Descriptions

Name Data type Description
_start_datedateThis column contains the date when the row was extracted from the data source. Together with '_row_number', it forms a unique identifier for each row in this version history table.
_end_datedateThis column contains the date when a new version of the row was extracted from the data source. If the value is null, it indicates that the row is the most recent version.
_row_numberlongThis column contains the number of the row in the raw data extracted from the data source. Together with '_start_date', it forms a unique identifier for each row in this version history table.
OBJECTIDlongThis column contains a unique identifier for each object in the table.
IDstringThis column contains a unique identifier for each row in the table.
CODE_12stringThis column contains a unique code associated with each row in the table.
Area_HadoubleThis column contains the area of the object represented in the row, measured in hectares.
RemarkstringThis column may contain any additional comments or remarks about the object represented in the row.
Shape_LengdoubleThis column contains the length of the shape of the object represented in the row.
Shape_AreadoubleThis column contains the area of the shape of the object represented in the row.
geom_geojsonstringThis column contains the geometry of the object represented in the row, formatted as GeoJSON.
geom_geotextstringThis column contains the geometry of the object represented in the row, formatted as plain text.
geom_typestringThis column contains the type of the geometry of the object represented in the row.
geom_centroidstringThis column contains the centroid of the geometry of the object represented in the row.
geom_center_xdoubleThis column contains the x-coordinate of the center of the geometry of the object represented in the row.
geom_center_ydoubleThis column contains the y-coordinate of the center of the geometry of the object represented in the row.

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Additional Information

Last updated August 26, 2024
Created August 26, 2024
License No License Provided
Geographic coverage
Geographic granularity
Temporal coverage from
Temporal coverage to
Temporal coverage to
Adaptershapefile
Countryse
Databasese_lantmateriet
Extract date2024-08-26
Id38dbe519-9699-4052-964b-57dd3faddfe5
Package id1453d6cd-4a88-47c4-a433-b16478346411
Position1
Revision idb146039b-a560-4dc2-8fee-6939f4889c6a
Stateactive
Tablejonkoping_zip__clc12_63d_no__history