A conceptual data model can be expressed using a graphical notation, such as an entity-relationship diagram (ERD), or a textual notation, such as a data dictionary. Add your perspective ...

Entity-relationship diagrams (ERDs) are visual tools that help you design, document, and understand the structure and relationships of data in a database.

ER diagram, relational eschema and DB script Degree in Computer Engineering Databases – Supervised assignment: E/R Academic year 2020/2021 This work consists of designing and implementing in Oracle a ...

This project involves designing a conceptual database schema using the Enhanced Entity-Relationship (EER) model, converting it into a relational schema, and preparing it for implementation in a ...

In this paper we present an approach to the use-case-driven conceptual design of the relational database completely based on the Unified Modeling Language (UML). We base the initial conceptual model ...

Citation: Si J, Liu C, Ye J, Wu J, Wang J, Hu K, Ju C and Cao Q (2025) Conceptual design of a decision knowledge service model integrating a multi-agent supply relationship diagram for electric power ...