| J2EE Access of
Relational Data |
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| Ÿ | Direct JDBC |
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| – | Direct SQL calls |
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| – | Use rows and
result sets directly |
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| Ÿ | Persistence Layer |
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| – | Accessed as
objects or components |
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| – | Transparent that
the data is stored in RDB |
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| – | Persistence layer
in middle tier handles |
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| object-relational
mapping and infrastructure |
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| – | Focus of this
Session |
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