SQL query expressed in relational calculus

Hồ Thuần, Trần Thiên Thành

Abstract


In this paper, we present some results on the equivalence between SQL queries and relation calculus expressions. These results are used to  translate SQL queries into equivalent expressions of relational algebra.




DOI: https://doi.org/10.15625/1813-9663/14/4/7976

Journal of Computer Science and Cybernetics ISSN: 1813-9663

Published by Vietnam Academy of Science and Technology