vpadmin, Author at Cibermediano

Fevereiro 11, 2026 vpadmin

Modelagem de Casos de Uso para um Sistema de Caixa Eletrônico: Um Guia Completo e Estudo de Caso

This case study focuses on the use case modeling of an ATM system for a bank. The ATM system is designed to provide customers with a convenient way to access their accounts and perform various banking transactions, such as withdrawing cash, depositing cash, transferring funds, checking their account balance, and changing their PIN.

Fevereiro 11, 2026 vpadmin

O essencial sobre a escrita de casos de uso: melhores práticas e erros comuns

Use cases are an essential tool in software development and systems analysis. They provide a clear and concise way to define the behavior and functionality of a system, by describing the interactions between users (known as “actors”) and the system itself.

Fevereiro 11, 2026 vpadmin

Domando Diagramas de Fluxo de Dados: Um Guia Abrangente para Análise e Design de Sistemas

Data flow diagrams (DFDs) are visual representations that illustrate the flow of information within a system. They are used to describe the processes and data flows in a structured manner, and are useful in analyzing, designing, and documenting information systems.

Fevereiro 11, 2026 vpadmin

Dominando Diagramas de Relacionamento de Entidades: Um Guia Abrangente para Criar Modelos de Dados Eficientes

In the realm of data modeling and database design, the entity-relationship diagram (ERD) is an essential tool that plays a vital role. It serves as a visual representation of data, aiding in the description of the relationships between entities and their attributes. By displaying the relationships between entities in a clear and concise manner, ERDs provide an excellent means of modeling intricate systems and identifying how different entities are interconnected.

Fevereiro 11, 2026 vpadmin

Aprendendo Diagramas de Relacionamento de Entidades: Um Guia Compreensivo

Entity Relationship (ER) diagrams provide a powerful way to visually represent the data requirements of a system and the relationships between different entities. They are particularly useful in database design, where understanding the relationships between various entities is critical to creating an efficient and effective database structure. ER diagrams help to identify the different entities, their attributes, and the relationships that exist between them, providing a comprehensive overview of the data model.