Object/relational Mapping (ORM) 

Object-relational mapping products are designed to work well with object programming languages such as C#, C++, and Java. Database objects appear as programming language objects. Often, the interface for object-relational mapping products is the same as the interface for object-oriented databases.

An object-relational mapping product will likely reduce your programming code and, through caching, improve performance over using an embedded SQL or call-level interface such as JDBC or ODBC when using an RDBMS. The performance cost of using RDBMSs with objects can be reduced because most object-relational mapping products provide transparent persistence with object programming languages and caching. More on these topics can be found in the articles mentioned in the next section.


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Sandeep Joshi
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