Hi, I encounter a problem with the possibility of defining a one to many relationship in Qgis 3.
I have one shapefile with points. Each point has an alias (ex: Blt-1, Chp-1...), and information about this point. I then have a table, without any geographical information, with all the measurements at each point (for exemple multiple measurements of depth in Blt-1, and in Chp-1...). The alias of both tables are the same. But in the second table, it is not unique. How do I establish a good one to many relationship? In other words, I would like that when I click on Blt-1, all the measured depths appear. Is this possible? Thanks a lot for your help! Mattijs
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