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Quote: in a relational model, a hierarchy must be derived; in object-oriented model the hierarchy is defined in the database
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object-oriented databases
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With INGRES, the information contained in the [Intermedia] hierarchy needs to be retrieved from the database, and that … [the object-oriented database] Encore, the hierarchy does not need to be initially set … to an object, messages can be sent to … Google-1 Google-2
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Topic: object-oriented databases (15 items)