Thanks for the snippets! This is very important and useful idea.

I have a question about my data model: Person has Tags (any interests,
things or qualities). Any person can have many tags, one tag, or do
not have tags at all. The same tag can belong to several persons, but
without persons it does not exist.

I have to do a sample of tags belonging to one person and all persons
who have some tag. What type of ralationship I need to choose?


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