A database model that describes the attributes of entities and the relationships among them. An entity is a file (table). Today, ER models are often created graphically, and software converts the ...

Undoubtly, databases have become an essential part of everyday life. Every day we engage ourselves in several activities that involve interaction with databases, like when we book an airline ticket, ...

At its heart, data modeling is about understanding how data flows through a system. Just as a map can help us understand a city’s layout, data modeling can help us understand the complexities of a ...