Data itself + N attributes and attribute values (N can be zero to many)
These data according to a property derivative can be arranged into a tree structure, so that from the origin of the tree or in the middle of a node can be derived from the list below its all data objects,
And, in turn, from a data object according to push up its some properties can be listed on the object level, up until the source of all data objects,
Design the program and database with what software or language?
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Forgot to say, the value of the attribute points to another object, the above description:
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