Lecture L08 Data Source Layer


With this lecture we start our coverage of the database. Mapping the object world and the relational world has always been a challenge. We will look at some problems with databases, such as the legacy problem and the usability problem. Then we look at four architectural patterns for connection to the database:

  • Table Data Gateway

  • Row Data Gateway

  • Active Record

  • Data Mapper

We also look at Data Transfer Object and Record set. Finally we look at Spring JBDC support and the RU data framework.


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Part 4:



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