such as an enhanced entity-relationship diagram (EERD), or a textual notation, such as a data definition language (DDL). The logical data model (LDM) takes the conceptual data model further ...

An ERD developed during the conceptual data modeling phase of the database development process is generally transformed and enhanced through normalization principles during the logical database design ...

Erfahren Sie mehr über den Unterschied zwischen konzeptionellen und logischen Datenmodellen, ihre Vorteile und wie Sie sie für Ihre Data-Engineering-Projekte erstellen können.

An enterprise conceptual ... data model should cover a functional area or need of the organization, and also include documenting the subject areas involved in an individual canonical data model. The ...

In this research, we develop an application for converting conceptual data model depicted in Entity Relationship Diagram (ERD) to logical schema of column-oriented NoSQL and conversion of the logical ...

These top data modeling tools and applications enable users to build conceptual and logical data models ... including the ability to create Entity Relationship Diagrams that display visual ...

Abstract: It is argued that ontologically clear entity relationship models can model the real world domains more accurately than ontologically unclear models. However, transformation of such models ...