This project was developed as part of the Database subject, fulfilling the challenge proposed by the teacher: Implement an SQL query parser capable of analizing, validating, optimizing and vizualizing ...

(iii) Suppose the relation Likes contains all information about all customers. In other words, if the pair (cname,pizza) is not in the relation Likes, it means that the customer cname dislikes the ...

Abstract: Relational database systems have succeeded commercially because of their straightforwardness and well-built theoretical foundation. This paper ¿Implementation of Relational Algebra ...

Abstract: Recently, the ability of the computer i s not only used in calculation, but also the ability to store and provide information that eventually formed a system called database. Database as ...