Advantages of relational databases Disadvantages of relational databases Relational algebra Basic Relational algebra operations Extended Relational algebra operations Structured Query Language SQL ...

There are two types of relational database manipulation language: procedural and assertional. A procedural language is one in which a query is expressed through a sequence of operations. This category ...

Parallel execution of relational algebra operators introduced, using the concepts above, can be adapted to the distributed database system environment, where each free operator executed in one ...

It allows entering relational algebra expressions and executing them to get results. The data set can be loaded from a GitHub Gist including the Bookstore data set GIST: ...

In this paper we present a theory of relational database systems based on the partition lattice, which represents a new mathematical approach to the structure of relational database systems. A ...

Relational universal algebra allows to cover these examples and more. In this post, we present this field of study using a diagrammatic syntax based on cartesian bicategories of relations. Relational ...