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HackerRank SQL Problem's Solutions
Overview
Carriculum
Instructor
Here I will share my solutions of HackerRank SQL problems.
Basic Select
SQL Select Query - Select all column
SQL Select Query - Select a single column
Select All data of a table
SQL Select By ID
Japanese Cities' Attributes
Japanese Cities' Names - SELECT the name column
Query city and state from STATION
Query data which id is even using SQL MOD() function
SQL Count unique data by using count() and DISTINCT
Query shortest and longest data by using LENGTH(), ORDER BY, LIMIT
SQL Query starting with vowels using REGEX
Query ending with vowels using SQL LOWER() and SUBSTRING() Function
Query data starting and ending with vowels using SQL LOWER(), LENGTH() and SUBSTRING() functions
Query data that don't start with vowels using SQL LOWER() and SUBSTRING() functions and NOT IN Operator
Query data that don't end with vowels using SQL LOWER() and SUBSTRING() functions and NOT IN Operator
Query data either don't start or don't end with vowels
Query data don't start and don't end with vowels
Query Students who get higher than 75 marks by using SUBSTRING() and LENGTH() functions
Query all employe names from Employee table in alphabetical order using ORDER BY
Query all employe names from Employee table having salary greater than $2000
Advanced Select
Aggregation
Al-Mamun Sarkar
Software Engineer
15+ Courses
500+ Lessons
9k+ Student Learned
547+ Reviews
Instructor
Al-Mamun Sarkar
Lectures
20
Course level
Beginner
Last Update:
Mar 23 , 2020
Language
English
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