When dealing with data, you may have to know the fact table vs dimension table differences. A fact table holds the data that needs to be analyzed, and a dimension table stores data dealing with how ...

A database model that focuses on decision support outcomes rather than the normal relationships between datasets as in an entity relationship (ER) model. ER models are "normalized" models that are ...

Occasionally the database under design becomes more than a one-off project. For example, the data mart or data warehouse might act as a profit center for the organization, and as a solution sold to ...

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 ...

Over the past few years, there has been a subtle but significant shift in the way that data is structured in databases. Whereas yesterday’s databases were typically limited to storing data in rows and ...