A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...

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 ...

PostgreSQL is powerful and widely compatible, supporting the complete SQL standard, including transactions, foreign keys, ...

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 ...

In a highly competitive business landscape, soft skills can make a critical difference in businesses’ survival. At least, that’s one of the possible takeaways from LinkedIn’s report on the most sought ...

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For a long time, companies have been using relational databases (DB) to manage data. However, with the increasing use of ...