The relational model is based on set theory, and a set cannot contain duplicate members. Even more importantly, there are significant relational features that current SQL database systems omit, such ...

Databases, in one form or another, have been around for the past 60 years. In 1970, E.F. “Ted” Codd proposed the relational model of data, which centers around the idea of grouping data by content as ...

The PR rep said, “The heyday of the 30-year-old relational database is over, and Oracle has missed the shift to next-generational database technology needed to meet today’s big data challenges ...

Relational model Image: botond1977/Adobe Stock The most popular database model format is relational, which stores data in fixed-format records and organizes it into tables with rows and columns.