HackerRank-SQL

My profile : Somia Nasir

Basic Select

Challenge	Solution	Difficulty
Revising the Select Query I	revising-the-select-query.sql	Easy
Revising the Select Query II	revising-the-select-query-2.sql	Easy
Select All	select-all-sql.sql	Easy
Select By ID	select-by-id.sql	Easy
Japanese Cities' Attributes	japanese-cities-attributes.sql	Easy
Japanese Cities' Names	japanese-cities-name.sql	Easy
Weather Observation Station 1	weather-observation-station-1.sql	Easy
Weather Observation Station 3	weather-observation-station-3.sql	Easy
Weather Observation Station 4	weather-observation-station-4.sql	Easy
Weather Observation Station 5	weather-observation-station-5.sql	Easy
Weather Observation Station 6	weather-observation-station-6.sql	Easy
Weather Observation Station 7	weather-observation-station-7.sql	Easy
Weather Observation Station 8	weather-observation-station-8.sql	Easy
Weather Observation Station 9	weather-observation-station-9.sql	Easy
Weather Observation Station 10	weather-observation-station-10.sql	Easy
Weather Observation Station 11	weather-observation-station-11.sql	Easy
Weather Observation Station 12	weather-observation-station-12.sql	Easy
Higher Than 75 Marks	more-than-75-marks.sql	Easy
Employee Names	name-of-employees.sql	Easy
Employee Salaries	salary-of-employees.sql	Easy

Aggregation

Challenge	Solution	Difficulty
Revising Aggregations - The Count Function	revising-aggregations-the-count-function.sql	Easy
Revising Aggregations - The Sum Function	revising-aggregations-sum.sql	Easy
Revising Aggregations - Averages	revising-aggregations-the-average-function.sql	Easy
Average Population	average-population.sql	Easy
Japan Population	japan-population.sql	Easy
Population Density Difference	population-density-difference.sql	Easy
The Blunder	the-blunder.sql	Easy
Top Earners	earnings-of-employees.sql	Easy
Weather Observation Station 2	weather-observation-station-2.sql	Easy
Weather Observation Station 13	weather-observation-station-13.sql	Easy
Weather Observation Station 14	weather-observation-station-14.sql	Easy
Weather Observation Station 15	weather-observation-station-15.sql	Easy
Weather Observation Station 16	weather-observation-station-16.sql	Easy
Weather Observation Station 17	weather-observation-station-17.sql	Easy
Weather Observation Station 18	weather-observation-station-18.sql	Medium
Weather Observation Station 19	weather-observation-station-19.sql	Medium

to be continued ...