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Object-to-Relational (O/R) mapping:
There are various ways to persist data and the persistence layer is one of the most important layers in any application development. O/R mapping is a method of mapping data representation from an object model to a SQL based relational model.
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:
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What do you think about an object's lock and which kinds of object's have locks?
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Need Minecraft Bukkit Plugin Programmer I want to make my own server for Minecraft. I am in need of a experts to make custom bukkit plugins for my server. But basically I will w
What do you mean by synchronization and its importance?
For an assignment I need to write an array program to go along with an instance variable. I keep getting the no main class error when I run my program.
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