Good database maintenance includes not only performing the standard adding, updating, and deleting records, etc., but periodic edits to the table schema too. Operations such as adding, editing, and removing table columns are part of todays life-cycle reality too as new functionality is constantly being added. In quieter, and less demanding times, one could get [&]

https://www.percona.com/blog/performing-etl-using-inheritance-in-postgresql/