The relational data model emerged in the early 1970s as a simple, rigorous and powerful mathematical formalism for describing and manipulating data. Ten years later, the first database management ...

Have you noticed that relational "technology" seems to be taking a beating these days? With new “data models” and types of database systems purported to be better than relational, it seems that the ...

Introduce the concepts about relational models. Train students on how to convert a conceptual entity relationship model to a relational model. Introduce students with the reasons and process of ...

Non-relational cloud databases such as Google's BigTable, Amazon's SimpleDB and Microsoft's SQL Server Data Services (SSDS) have emerged. But while these new data stores may well fill a niche in cloud ...