Entity Relationship Diagrams

Transcript

What on earth is this? And what in heaven’s name is this? The answer is that these are examples of Entity  Relationship Diagrams, or ERDs. But what exactly is an ERD? An ERD is a way of expressing the  logical design of a database in a visual way. In this video, we’re going to explore how an ERD  helps to clarify crucial aspects of what’s going on ... Read More