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Databases,Tables, Views, Indexing and SQL syntax
this is similar to a bill of material, but with 2 pointers (parent, parent, child) rather 1 pointer (parent, child)
Download the white paper and code samples from my conference presentation entitled "Modeling Hierarchies". You can find it on the Tools and Utilities page of my web site. The examples with the rip field (separating the data from the structure) demonstrate how to model this.
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