FOSS4G Europe 2018 Workshop Guimarães (Portugal)
https://europe.foss4g.org/2018
PostgreSQL/PostGIS for beginners
Astrid Emde, WhereGroup GmbH & Co. KG
See also PostgreSQL/PostGIS für Fortgeschrittene https://github.com/astroidex/fossgis-2018-workshop-postgresql-postgis-fuer-fortgeschrittene-aemde/blob/master/README.md