#SQL 
Weather Observation Station 18 | Hackerrank
Author: neptune | 18th-Apr-2023
#SQL #Hackerrank
In this problem, we need to find the Manhattan Distance between two points P1(a,b) and P2(c,d)...
30+ SQL Interview Questions
Author: neptune | 05th-Jan-2023
#Interview #SQL
Data Definition Language (DDL) – It allows end-users to CREATE, ALTER, and DELETE database objects...
Top Earners | HackerRank
Author: neptune | 23rd-Nov-2022
#SQL #Hackerrank
Write a query to find the maximum total earnings for all employees as well as the total number of employees who have maximum total earnings...
The Blunder | Hackerrank
Author: neptune | 21st-Nov-2022
#SQL #Hackerrank
Write a query calculating the amount of error (i.e.: average monthly salaries), and round it up to the next integer...
The PADS | Hackerrank
Author: neptune | 21st-Nov-2022
#SQL #Hackerrank
Problem Statement: Generate the following two result sets: 1. Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession...
7.Solution of Hacker Rank The Report
Author: neptune | 23rd-Jan-2023
#SQL #Hackerrank
Problem Statement : generate a report containing three columns: Name, Grade and Mark. Ketty doesn't want the NAMES of those students who received a grade lower than 8...
6. Solution of Hacker Rank Employee Salaries.
Author: neptune | 23rd-Jan-2023
#SQL #Hackerrank
Problem Statement : Query that prints a list of employee names for employees in Employee having a salary greater than $2000 per month and experience less than 10 months...
5. Solution of Hacker Rank Weather Observation Station 8.
Author: neptune | 18th-Aug-2024
#SQL #Hackerrank
Query the list of CITY names from STATION which have vowels (i.e., a, e, i, o, and u) as both their first and last characters. Your result cannot contain duplicates...
4. Solution of Hacker Rank Weather Observation Station 6.
Author: neptune | 23rd-Jan-2023
#SQL #Hackerrank
Query the list of CITY names starting with vowels (i.e., a, e, i, o, or u) from STATION. Your result cannot contain duplicates...
3. Solution of Hacker Rank Weather Observation Station 4.
Author: neptune | 23rd-Jan-2023
#SQL #Hackerrank
Problem Statement : Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table...
2. Solution of Hacker Rank Weather Observation Station 3.
Author: neptune | 23rd-Jan-2023
#SQL #Hackerrank
Problem Statement : Query a list of CITY names from STATION for cities that have an even ID number. Print the results in any order, but exclude duplicates from the answer...
1. Basic SQL Select Query of Hacker Rank.
Author: neptune | 20th-Apr-2022
#SQL #Hackerrank
Problem Statement : Query all columns for all American cities in the CITY table with populations larger than 100000. The CountryCode for America is USA...


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