Questions tagged [many-to-many]
The many-to-many tag has no usage guidance.
6
questions
5
votes
2answers
985 views
Many-to-many relationship and QGIS Forms
I have a PostgreSQL/PostGIS database with a base table (Pois_points) and two subtables which constitute a many-to-many relationship with the base table, as you can see on the picture below (click on ...
4
votes
1answer
95 views
Setting up and displaying many-to-many relationships with CartoDB
I have to display many-to-many relationships between offices and sub-offices for a client. Each office manages many sub-offices, each sub-office can be managed by many offices. The client is ...
5
votes
2answers
3k views
Using the Make Query Table for Querying a Many-to-Many relationship
I have two tables that I have connected via an attributed relationship class of the cardinality Many-to-Many. One is a table of water body (rivers) features and the other is a series of pollutants ...
4
votes
1answer
4k views
Using many-to-many join in ArcMap
I'm working in ArcMap 10 and can move around in R, though am not an expert.
I have a shp file and an xlsx file.
The shp file is 20,221 rows and includes a field GID (grid ID) which is not unique ...
4
votes
1answer
441 views
Accessing “many to many” relationship class using ArcGIS Identify?
I am trying to create a many to many relationship class in ArcGIS 10.0. When Identifying the features though, I don´t see the associated table values.
Here is the Class schema:
Destination Table ...
3
votes
1answer
2k views
How to add data to relationship table in ArcGIS 10.1 database design?
I have created 2 tables HORSE and VENDOR and a relationship table VENDOR_HORSE
With the foreign key in Horse being the Primary key in VENDOR (VendorID)
and the foreign key in VENDOR being the primary ...