Let’s say that we have a heap table without keys, solely used for
dumping raw data into. That data at some point is filtered and cleaned
up for further use. As time passes and data accumulates, duplicate rows
creep in causing all sorts of issues. So, using SQL, how do we remove
the duplicates but keep the one row necessary? Read it on i-programmer
Videos of the lectures taught in Fall 2023 at the University of Tennessee are now available as a YouTube playlist. They provide a complete overview of the concepts of GeoSpatial science using Google Earth Engine, PostgresSQL GIS , DuckDB, Python and SQL. https://www.i-programmer.info/news/145-mapping-a-gis/16772-spatial-data-management-for-gis-and-data-scientists.html
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