Illustrate object-to-relational mapping?, JAVA Programming

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O/R mapping is well suited for read, change, write centric applications and not suited for write centric applications where data is seldom read. Although this was usually true of many earlier O/R mapping frameworks, most today give for efficient paths of performing large batch style write operations. O/R mapping tools/frameworks give you to model inheritance, composition and association class relationships. O/R mapping tools work well in 85-90% of cases. Use basic database features like triggers, stored procedures etc, when O/R mapping is not appropriate. Keep in mind that no one shape fits all solution. O/R mapping tools/frameworks allow your program to be:

  • Minimum verbose
  • High portability
  • More maintains

 

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