View on GitHub

hackerrank

HackerRank personal solutions

Databases

Check your Database skills

Relational Algebra

Name Preview Code Difficulty
Basics of Sets and Relations #1 Problems based on the basics of sets and relations. text Easy
Basics of Sets and Relations #2 Problems based on the basics of sets and relations. text Easy
Basics of Sets and Relations #3 Problems based on the basics of sets and relations. text Easy
Basics of Sets and Relations #4 Problems based on the basics of sets and relations. text Easy
Basics of Sets and Relations #5 Problems based on the basics of sets and relations. text Easy
Basics of Sets and Relations #6 Problems based on the basics of sets and relations. text Easy
Basics of Sets and Relations #7 Problems based on the basics of sets and relations. text Easy
Relational Algebra - 3 Relational Algebra - 3 text Easy
Relational Algebra - 4 Relational Algebra - 4 text Easy
Database Query Languages Database Query Languages text Easy
Procedural Language Procedural Language text Easy
Relations - 1 Relations - 1 text Easy
Relations - 2 Relations - 2 text Easy

Database Normalization

Name Preview Code Difficulty
Database Normalization #1 - 1NF The first normal form. text Easy