ELY Regions 2022: Historical Versioning (1:1 000 000)

The 'table__history' is a history table that stores the version history of its base table rows. It is part of the dataset collection 'tilastointialueet_ely1000k_2022'. The table provides a rich source of data that can be utilized for various data analytics purposes. For instance, the 'geom_' columns contain geographical information which can be used for geospatial data analytics. This includes data on geographic shapes and their types, centroids, and center coordinates. The data is presented using the WGS 84 coordinate reference system with longitude followed by latitude.

The table also includes columns that store the start and end dates of each row extraction from the data source. A unique combination of the start date and the row number identifies each row in this history table. If the end date value is null, it indicates that the row is the most recent version.

The table contents reflect the ELY areas for the year 2022, as provided by the Finnish Statistics Bureau (Tilastokeskus). It contains information such as the ELY centre's name in multiple languages and the ELY centre's unique identifier. Additionally, it includes unique identifiers and names for geographic shapes, and their corresponding geographic data.

Given the wealth of information stored in this table, it can be utilized in various ways in data analytics. For example, the history of ELY areas could be tracked to understand regional changes over time. The geographic information could be used for geospatial analysis, such as identifying patterns or trends in the geographical distribution of the ELY areas. Furthermore, the multi-language data allows for international studies and comparisons.