impedance mismatch

Etymology
Derived from the concept of impedance matching in electrical engineering.

Noun

 * 1)  A set of conceptual and technical difficulties that are often encountered when a relational database is being served by an object-oriented application program, particularly because objects or class definitions must be mapped to database tables defined by a relational schema.

Translations

 * Ukrainian: об’єктно-орієнтований розрив