basics-of-sets-and-relational-algebra-2.txt

# Databases > Relational Algebra > Basics of Sets and Relations #2
# Problems based on the basics of sets and relations.
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# https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-2/problem
#

# intersection: les éléments 2,3,4,5,6 sont présents dans les deux listes

5