If you’ve worked with relational database systems for any length of time, you’ve probably participated in a discussion (argument?) about the topic of this month’s column, surrogate keys. A great ...

Not all databases are created equal. In this video, we explore seven major database paradigms, including relational, ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What are key value databases? A key value database is a collection of paired ...

Key-value, document-oriented, column family, graph, relational… Today we seem to have as many kinds of databases as there are kinds of data. While this may make choosing a database harder, it makes ...

Most applications need some form of persistence—a way to store the data outside the application for safekeeping. The most basic way is to write data to the file system, but that can quickly become a ...