Archive of posts - Erd

An ER diagram for a hotel management system is a simple way to show how all the parts of a hotel work together in a database.

In database design, not all entities can stand on their own. Some rely on other entities to make sense or to be uniquely identified.

An entity relationship diagram is a visual representation of the structure of a database. It illustrates how entities (such as people, objects, or concepts) relate to one another within a system.

When designing a database, one of the most important steps is understanding how information connects and flows. That’s where Entity-Relationship Diagrams (ERDs) come in.