Abstract: This paper presents a novel relational database architecture aimed to visual objects classification and retrieval. The framework is based on the bag-of-features image representation model ...

Our abstract model of the SQL category did not impose any restrictions on the structure of rows; we assumed only that we could determine a primary or foreign key to relate two rows. In the typical ...

Another problem is that current SQL database systems permit the creation of tables that can contain duplicate rows. The relational model is based on set theory, and a set cannot contain duplicate ...

The public beta was some 10 years in the making, as Google engineers in 2007 began an effort to break the dichotomy between traditional SQL-based relational database management system (RDBMS) models ...

The relational model was a theoretical proposal, and many people at the time doubted whether it could be implemented efficiently. However, by the mid-1980s, relational database management systems ...

SQL provides predefined procedures so that you can use any value in a table to relate to other tables in a database. This helps explain why, odds are, you use a SQL relational database at your company ...