Last Updated
：2025/12/03
impedance mismatch
Noun
(object-oriented
programming)
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.
Japanese Meaning
オブジェクト指向プログラミングとリレーショナルデータベース間で発生する、概念的および技術的な不整合の問題。 / オブジェクトやクラス定義を、リレーショナルスキーマで定義されたデータベーステーブルにマッピングする際に生じる困難。 / オブジェクト指向のアプリケーションがリレーショナルデータベースと連携する際に遭遇する、設計上・実装上の不整合。
Sense（1）
(object-oriented
programming)
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.
（ plural ）
Quizzes for review
(object-oriented programming) 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.
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impedance mismatch
The development team struggled for weeks to resolve an impedance mismatch between the object-oriented domain model and the company's legacy relational database.
See correct answer
The development team struggled for weeks to resolve an impedance mismatch between the object-oriented domain model and the company's legacy relational database.
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