Object-relational impedance mismatch
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The object-relational impedance mismatch is a set of conceptual and technical difficulties that are often encountered when a relational database management system (RDBMS) is being served by an application program (or multiple application programs) written in an object-oriented programming language or style, particularly because objects or class definitions must be mapped to database tables defined by relational schemata.
The term object-relational impedance mismatch is derived from the electrical engineering term impedance matching.
See also
- Object-oriented programming
- Object-relational mapping - a programming technique for converting data (computing) between incompatible type systems in object-oriented programming languages.
External links
- Object-relational impedance mismatch @ Wikipedia
