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I understand the use of domains and even that of subtypes, but in using them together is where I feel as though I am getting lost. I have taken the online course provided by ESRI to try and understand a bit more and I understand there too, but still lack some further understanding.

Software: ArcMap 10.7.1

So, my thought is as follows:

Domain Attribute: pipe_type
Coded Value: 1: Water, 2: Sewer

Subtypes: pipe_material
Coded Value: 1: Ductile Iron Pipe, 2: Concrete, 3: Polyethylene, 4: P0lyvinyl Chloride, 5: Copper, 6: Steel

Not all of these can run water or sewer, but some cross over and allow both. I would like to restrict the subtypes to that in which is selected either Water or Sewer.

In typing this I feel as though the subtype should be pipe_type and the materials should be the domain, but then again, how do I limit based on which is selected?

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  • Attribute domains are rules that describe the legal values of a field type, providing a method for enforcing data integrity. Attribute domains are used to constrain the values allowed in any particular attribute for a table or feature class. If the features in a feature class or nonspatial objects in a table have been grouped into subtypes. desktop.arcgis.com/en/arcmap/latest/manage-data/geodatabases/…
    – Mapperz
    Commented Feb 16, 2020 at 22:45
  • Like the OP, I understand domains (on their own), and I understand subtypes (on their own). But I'm totally confused when domains and subtypes are combined. ESRI does not do a good job of explaining how the two interact.
    – Stu Smith
    Commented Feb 17, 2020 at 2:37

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