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    IQL(2): A Model with Ubiquitous Objects

    Database Programming Languages

    Italy. 6th - 8th September 1995


    S. Abiteboul & C. Souza dos Santos


    Object oriented databases have brought major improvements in data modeling by introducing notions such as inheritance or methods.

    Extensions in many directions are now considered with introductions of many concepts such as versions, views or roles.

    These features bring the risk of creating monster data models with a number of incompatible appendixes.

    We do not propose here any new extension or any novel concept. We show more modestly that many of these features can be formally and (we believe) cleanly combined in a coherent manner.


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