How to store the directory / hierarchy / tree structure in the database- How to store directory / hierarchy / tree structure in the database?

problem ：

How do i store a directory / hierarchy / tree structure in the database? How to store directories in a database / hierarchy / Tree structure ？Namely MSSQL Server. namely MSSQL Server.

@olavk: Doesn't look like you've seen my own answer.@olavk： It seems that you haven't read my own answer .The way i use is way better than recursive queries :) The way I use it is better than recursive queries :)

pps This is the way to go!pps This is a The way to go ！

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Solution ：

Reference resources ： https://stackoom.com/en/question/bY8