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What does one to many joins in QGIS mean?
In other words, there is a specific postal code (shapefile) on one side and there are many survey participants on the other side.
Which is the latest version of QGIS for one to many relations?
In QGIS 1.7 there is a new engine for Joins (you find it in the vector properties). Geometryless tables can now be added to a project like any other (vector) layer. Starting at version 2.2 QGIS supports one-to-many relations.
How to perform table joins in QGIS with Fulcrum?
In addition to relations, also check out how to perform table joins in QGIS. In the example above, that would make it easy to append the park details to each individual asset record. All of these things are also possible using other data formats within ArcGIS, like Fulcrum’s file geodatabase or shapefile export formats.
Where do I find related records in QGIS?
Starting at version 2.2 QGIS supports one-to-many relations. Define them in the Project Properties though, not Vector Layer Properties. And then related records will appear in the layer’s Attribute Table or Identify Results via the form. See answer and link to good guide here.
How does parent / child relation work in QGIS?
The parent/child relation is displayed in the attribute form and let you easily update both at the same time (in your case a CSV won’t be editable, you will need to convert to another format if you need to edit from QGIS). See link at the bottom for more information on how it work
What kind of data can I use with QGIS?
QGIS natively supports all of Fulcrum’s open data formats, including CSV, shapefile, SQLite/SpatiaLite, and geojson. For this guide, I’ll be using SQLite, a file-based database format that’s well-supported and simple to work with.
How to establish a relation in QGIS with Fulcrum?
Select your two Referencing Fields and click OK. With the relationship established, use the QGIS Identify tool to select one of the parent items. When the record’s data is displayed in the results window, expand the Actions list and click View Feature Form to see the full attributes for the feature.
Is there a way to use QGIS in ArcGIS?
I found out a way to do it ArcGIS with the tool “Make Query Table”, but I´m looking for a possibility to do it in QGIS. Depending on what exactly you want to do, you can use the relations functionality in QGIS. See https://web.archive.org/web/20160313201132/http://blog.vitu.ch/10112013-1201/qgis-relations