In this post, we will solve Basics of Sets and Relations #6 HackerRank Solution. This problem (Basics of Sets and Relations #6) is a part of HackerRank Databases series.
Consider the following data table named Student.
Name Number Sex Nina 3412 F Mike 1234 M Nelson 2341 F
What is the count of attributes (columns) returned in the following projection?
Only enter a single integer. Do not include any extra spaces or newlines.
Solution – Basics of Sets and Relations #5 – HackerRank Solution