Description

This repository contains my solutions to SQL problems from the HackerRank Online Judge.

The structure of the repository is simple: each folder is named according to the corresponding subdomain, and the solution files are organized by the problem name.

Additionally, all the problems can be easily accessed in the Problem Set.

All solutions follow the SQL Style Guide from The GitLab Handbook to ensure readability and best practices.

Useful links

• My HackerRank profile
• SQL Style Guide
• SQLFluff

Problem Set

• Basic Select

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Basic Select

Problem	Solution
Revising the Select Query I	SQL
Revising the Select Query II	SQL
Select All	SQL
Select By ID	SQL
Japanese Cities' Attributes	SQL
Japanese Cities' Names	SQL
Weather Observation Station 1	SQL
Weather Observation Station 3	SQL
Weather Observation Station 4	SQL
Weather Observation Station 5	SQL
Weather Observation Station 6	SQL
Weather Observation Station 7	SQL
Weather Observation Station 8	SQL
Weather Observation Station 9	SQL
Weather Observation Station 10	SQL
Weather Observation Station 11	SQL
Weather Observation Station 12	SQL
Higher Than 75 Marks	SQL
Employee Names	SQL
Employee Salaries	SQL