Storing Hierarchical Data in a Database

I’m going to implement types/categories on sumbissions for Debianart.dk to classify them. I friend send me this great link on how to implement this and at the same time think of performance.

Take a look at this: Storing Hierarchical Data in a Database

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Storing Hierarchical Data in a Database by Jacob Emcken is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.