Data modeling and ER diagrams are essential tools for database development, as they help you design, document, and communicate your data structure and relationships. However, databases are not ...

Today many e-learning systems achieve high standards in delivering online courses via Web technologies and database system. However, these systems are constrained by rigid data model or schema that ...

An ER diagram is a graphical representation of the entities, attributes, and relationships in a relational database. It helps you design, document, and communicate your data model effectively.

The aim of this paper is to improve the automation processes of electrical power substations based on IEC 61850 standard, with the focus on data management related to data structure, path, and ...