Relational algebra has been invented for fifty years, and the application requirements and hardware environment fifty years ago are vastly different from today. Due to the large number of existing ...

The following questions are to be discussed during tutorial. All answers will be released with explanation. (RA Operator) This question considers a binary relational algebra operator called the ...

Relational algebra is the basis of relational database theory, however, SQL is a concrete realization of the standard computer language. Particularly, the division problem in Relational algebra, in ...

In this paper, we present a translator from a relevant subset of SQL into relational algebra. The translation is syntax-directed, with translation rules associated with grammar productions; each ...

Linear algebra operations are at the core of machine learning. Multiple specialized systems have emerged for the scalable, distributed execution of matrix and vector operations. The relationship of ...

3. From relational algebra to 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 ...