The Nested Relational Data Model is Not a Good Idea
نویسنده
چکیده
The nested relational data model is a natural generalisation of the relational data model, but it often leads to designs which hide the data structures needed to specify queries and updates in the information system. The relational data model on the other hand exposes the specifications of the data structures and permits the minimal specification of queries and updates using SQL. The deficiencies in relational systems leading to a demand for object-oriented nested relational solutions are seen to be deficiencies in the implementations of relational database systems, not in the data model itself.
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