Hello, I have a (rather big) Postgres/PostGIS database that basically looks like this: https://ibb.co/bK7PKv
I want to use QGIS for editing and inserting data. I already found these ressources: https://docs.qgis.org/2.18/en/docs/user_manual/working_with_vector/vector_properties.html#fields-properties https://docs.qgis.org/2.18/en/docs/user_manual/working_with_vector/attribute_table.html#creating-one-or-many-to-many-relations https://docs.qgis.org/2.18/en/docs/training_manual/create_vector_data/forms.html I tried it: I created the relations and built custom forms. However, when I want to insert or edit something. QGIS becomes really slow and crashes finally. But before I describe the problems in more detail I want to read more about it. I find the documentation (linked above) a bit too little. So, my question: Is there any documentation I have missed? Is there any book (chapter) you can recommend? Do you know of any example where QGIS is used for entering data into many related tables in Postgres/PostGIS at once? I am thankful for any hint or resource. Jakob
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