HackerRank SQL Solution - Advanced Select - The PADS

Generate the following two result sets:

• Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i.e.: enclosed in parentheses). For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S).
• Query the number of occurrences of each occupation in OCCUPATIONS. Sort the occurrences in ascending order, and output them in the following format:

There are a total of [occupation_count] [occupation]s.

• where [occupation_count] is the number of occurrences of occupation in OCCUPATIONS and [occupation] is the lowercase occupation name. If more than one Occupation has the same [occupation_count], they should be ordered alphabetically.

HackerRank SQL Solution - Advanced Select - Type of Triangle

• Write a query identifying the type of each record in the TRIANGLES table using its three side lengths. Output one of the following statements for each record in the table:
• Equilateral: It's a triangle with 3 sides of equal length.
• Isosceles: It's a triangle with 2 sides of equal length.
• Scalene: It's a triangle with 3 sides of differing lengths.
• Not A Triangle: The given values of A, B, and C don't form a triangle.

HackerRank SQL Solution - Basic Select - Employee Salaries

• Write a query that prints a list of employee names (i.e.: the name attribute) for employees in Employees having a salary greater than $2000 per month who have been employees for less than 10 months. Sort your result by ascending employee_id.

Input Format:

• The Employee table containing employee data for a company is described as follows:

HackerRank SQL Solution - Basic Select - Employee Names

• Write a query that prints a list of employee names (i.e.: the name attribute) from the Employee table in alphabetical order.

Input Format:

• The Employee table containing employee data for a company is described as follows:

HackerRank SQL Solution - Basic Select - Higher Than 75 Marks

• Query the Name of any student in STUDENTS who scored higher than 75 Marks. Order your output by the last three characters of each name. If two or more students both have names ending in the same last three characters (i.e.: Bobby, Robby, etc.), secondary sort them by ascending ID.

Input Format:

• The STUDENTS table is described as follows:

HackerRank SQL Solution - Basic Select - Weather Observation Station 12

• Query the list of CITY names from STATION that does not start with vowels and do not end with vowels. Your result cannot contain duplicates.

Input Format:

• The STATION table is described as follows:

HackerRank SQL Solution - Basic Select - Weather Observation Station 11

• Query the list of CITY names from STATION that either does not start with vowels or do not end with vowels. Your result cannot contain duplicates.

Input Format:

• The STATION table is described as follows:

HackerRank SQL Solution - Basic Select - Weather Observation Station 10

• Query the list of CITY names from STATION that does not end with vowels. Your result cannot contain duplicates.

Input Format:

• The STATION table is described as follows:

HackerRank SQL Solution - Basic Select - Weather Observation Station 9

• Query the list of CITY names from STATION that does not start with vowels. Your result cannot contain duplicates.

Input Format:

• The STATION table is described as follows:

HackerRank SQL Solution - Basic Select - Weather Observation Station 8

• Query the list of CITY names from STATION which has vowels (i.e., a, e, i, o, and u) as both their first and last characters. Your result cannot contain duplicates.

Input Format:

• The STATION table is described as follows:

HackerRank SQL Solution - Basic Select - Weather Observation Station 7

• Query the list of CITY names ending with vowels (a, e, i, o, u) from STATION. Your result cannot contain duplicates.

Input Format:

• The STATION table is described as follows: