TPersistent.com – What is an OPF? An object persistence framework is essentially a library of pre-written code that takes care of the details of persisting, or permanently storing an object. The object may be persisted to a text file, XML file etc., but in the business world it will most likely be to an RDBMS and for this reason they are sometimes referred to as an ORM (Object Relational Mapper). Object databases have been around for some time, but they are not used as prominently as RDBMS products so programmers still have to be able to write their objects into a RDBMS, and the easiest way to do that is ...
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