o2com 21

21 A pragmatic approach: meeting the impedance mismatch

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A clear need, but a lack of specifications

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The impedance mismatch

Unfortunately, this presentation of the impedance mismatch does not offer
support for a partition of the problems...

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Abstract types versus concrete types

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Inheritance, polymorphism, partial types

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The use of types

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Value and object semantics, types and classes

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Summing up the concerns related to the query language