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3:14 PM
I learned from this answer about two types of links: 1. Linked; 3. Duplicate.
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A: Number of linked questions is shown incorrectly

reneThere are indeed 2 links as can be seen from this SEDE query if I take your first example: select * from postlinks where postid = 267286 or relatedpostid = 267286 The difference is the linktypeid. By looking up those values in Database schema documentation for the public data dump and SEDE w...

If I understand it correctly, if the question is linked in question or in comments or in answer, then it should be 1 (linked).
If it was closed as a duplicate, it should be 3.
But when I try this query, I got LinkTypeId 1: data.stackexchange.com/meta.stackexchange/query/371055/…
The question 267325 is closed as a duplicate of 239619, so I would expect LinkTypeId to be 3.
I am also not sure about the last line of the answer I linked above: Only the direct links are shown in the list. Should this mean that if a question is closed as a duplicate, but the duplicate target is not mentioned in the comments/answers/question, then it is not shown among linked questions? I do not think this is how it works.
 

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