Hackerrank sql basic answers 4 lines (3 loc) · 100 Bytes. Code. Verify your SQL Skills. Please checkout my solutions and make use of it for the learning purpose Oct 11, 2023 · GitHub - MahedeiHasan/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions: Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Query the Euclidean Distance between points P1 and P2 and format your answer to display 4 decimal digits. Advanced Select. : Bobby, Robby, etc. Write a query to find the stock_codes of all the stocks which are profitable based on this definition. Sign in Product HackerRank_solutions / SQL / Basic Select / Weather Observation Station 8. Sign in Hackerrank JavaScript basic certification answers. Readme License. POPULATION)-0. SQL (Basic) Skills Certification Test. Skills. The report must be in descending order by grade — i. Correct Answer is for MYSQL= select city, state from station Note: Please remove 1st and 3rd line - "/* */ " Contains solutions for all Hackerrank Sql problems - Hackerrank-Sql-solutions/Basic Join -- Challenges at main · vmlrj02/Hackerrank-Sql-solutions Ketty gives Eve a task to generate a report containing three columns: Name, Grade and Mark. There are two ways to solve it: Use ROUND but subtract 0. Top. Basic Select Queries| Revising the SQL query 2: HackerRank SQL Problems and Solutions — 1. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: make sure to create PR/Issue. ), secondary sort them by ascending ID. We use SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Raw. Basic Join. Reason: Fundamental setup and understanding are necessary to start writing SQL queries. Solution: SELECT DISTINCT CITY The HackerRank SQL Basic Certification is one of the most sought-after certifications for aspiring developers and data enthusiasts looking to validate their If you have any queries please go to comment section and tell us the 170+ solutions to Hackerrank. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. Strings. Write a query to print the id, age, coins_needed, and power of the wands that Ron’s interested in, sorted in order of Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. HackerRank_solutions / SQL / Basic Select / Japanese Cities' Names. com/2022/06/population-census-hackerrank-solution. 2. Advanced Select My solutions to HackerRank's challenges in the SQL Preparation Kit - HackerRank_SQL_Solutions/Basic Join/population_census. e. Review Profile. Home HackerRank HackerRank: [SQL Basic Join] (5/8) TOP COMPETITORS | having & inner join in SQL. This is the only video you will need to improve you Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. I tried to provide those with explanation. CONTINENT, ROUND(AVG(C. recency | **SQL ORACLE **someone could find my mistake? SELECT CITY FROM (SELECT CITY FROM STATION ORDER BY CITY) WHERE LENGTH(CITY)=(SELECT MAX(LENGTH(CITY)) Home HackerRank HackerRank: [SQL Basic Join] (7/8) CHALLENGES | inner join, having& Sub-Query in SQL. Guestbook. Test duration 35 mins. These questions not only tested my technical skills but also challenged me to think critically. Apr 22, 2021 · While solving all SQL problems from HackerRank, I came across multiple solutions for the same problem. You are given two tables: Students and Grades. Toggle navigation. Instructions. Sign in / basic-join / top-competitors. w SQL. 4 Basic Select. SQL. We use cookies to Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Data Structures. To get a certificate, two problems have to be solved within 90 minutes. Blame. Introduction to SQL. com Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. kanyarasit. Advanced Select Jun 5, 2022 · Here are the 4 questions asked in HackerRank SQL Basic Certification Exam, from these 2 will be available in one attempt. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Hello Folks, In this post, I’ll share my solutions to some SQL problems on HackerRank, categorized as “Easy. Japanese Cities' Names. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Sign in Product GitHub Copilot. There are many repos on the internet for the solutions of these questions. Solved. roll_number = b. sql at main · chibui191/HackerRank_SQL_Solutions Solutions to Certification of Problem Solving Basic on Hackerrank. 7 lines (7 loc) · 144 Bytes. Automate any workflow Packages. Submissions. The questions can be answered in 4 different types of SQL flavours and I decided to answer them using MySQL. roll_number HAVING SUM(b. Create a HackerRank account Be part of a 23 million-strong community of developers. hackerrank. Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL - shanuhalli/MySQL-Basics-to-HackerRank. 75%. 317 efficient solutions to HackerRank problems. Certification Test. Articles Works Shiny Snippets Resume About Contact. The certificate can be viewed here. 3 Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. Sign in Product Actions. Sign in Product HackerRank-Solutions / SQL / 1_Basic Select / 05_Japanese Cities- Attributes / Japanese Cities' Attributes. Status. SELECT ROUND Hi i excited tell about SQL basic queries that using for databases operation. The STATION table is described as follows: where LAT_N is the Jun 3, 2022 · Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Mar 31, 2024 · Inside you will find the solutions to all HackerRank SQL Questions. Note: Round the average to the nearest integer. Solution: MySQL. country = b. Full HackerRank SQL Basic Certification Solution Video Student Analysis SQL solution in SQL SELECT a. Problem. I will try my Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Weather Observation Station 4: Basic Join. 4 years ago + 0 comments. Alternative Queries. Weather Observation Station 8 Hackerrank Solution SQL*****If You want code click here: https://realnamehiddenin. Problem solved-5. HackerRank Sql Basic - Profitable Stocks solutionhttps://www. Watchers. Introduction. A basic understanding and good practice of Query the Name of any student in STUDENTS who scored higher than 75 marks. Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Problem Solving (Basic) Active Join over 23 million developers in solving code challenges on HackerRank, SQL (Basic) Skills Certification Test. Unsolved. These solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. mysql. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution. in this article we have collected the most asked and most important Hackerrank coding questions that you need to prepare to successfully crack Hackerrank coding round for companies like IBM, Goldman Sachs, Cisco, HackerRank SQL challenge questions that I used both MySQL and Oracle SQL to answer, and earned the Gold Badge for. Aggregation. Advanced Select Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Easy. The questions are divided into 6 Answers for SQL Questions from HackerRank. Activities involved: Setting up a database environment and understanding SQL’s purpose and use cases. You can work through this Repository to learn basic commands and gradually increase difficulty. 5 to round down all values even if its greater than 0. , I'll have to provide solutions using Python) or will it If you can do all the Basic problems with little to no difficulty you are good to go. 6 lines (6 loc) · 107 Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. com realNameHiddenRevising the Select Query I Hackerrank SQL Solution*****If You want Query Click Here: https://realnamehidde Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Below you can find the Top 25 Hackerrank based coding questions with solutions for the Hackerrank Coding test. Write HackerRank_solutions / SQL / Basic Select / Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. You signed out in another tab or window. If you find this helpful by any mean like, comment and share the post. Sep 15, 2024. Need Help? Create a HackerRank account Round your answer to 4 decimal places. Navigation Menu from STATION for cities that have an even ID number. Write HackerRank_solutions / SQL / Basic Select / You signed in with another tab or window. - MayankOps/HackerRank-SQL-Certification-Test-Solutions Weather Observation Station 1 Hackerrank Solution SQL*****If You want code click here: https://realnamehiddenin. 0 | Parent Permalink. Code sql solutions hackerrank sql-query problems hackerrank-solutions hackerrank-challenges hackerrank-sql sql-questions sql-answers. The report must be in SQL. If any new questions comes other than these, make sure to create PR/Issue. customer_id, a. Star 93. Example Task: Install a relational database (e. 0. Print the results in any order, but exclude duplicates from Oct 22, 2024 · SQL (Structured Query Language) is a powerful tool used for managing and manipulating relational databases. Grades contains the following data:. Population Census . If you are running your codes on "MS SQL Server" it will give you some "built-in function" problems (Like on mysql its written lengt() but on ms sql server its written len()) (Or "Limit 1" etc. country order by a. , MySQL, PostgreSQL) and connect to it using a SQL client. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Updated Apr 11, 2020; kishanrajput23 / HackerRank-Solutions. Problem solved Oct 11, 2023 · Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions. Certificate: SQL Verified. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. It’s worth noting that during an assessment or interview, you Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. First Name. Subdomains. Copy path. This competency area includes configuring a Spring MVC application, Basics of the Spring framework, working with REST APIs, writing a unit test for a simple application, among others. 1. Feel free to reach out if you have any questions or want to connect. This is a timed test. Write HackerRank_solutions / SQL / Basic Select / with cte1 as (select D, row_number() over() as row_num from (select case when occupation like 'Doctor' then name end as D from occupations group by D order by D) as F where D is not null), This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Basic Select/Weather Observation Station 3. 6 stars. customer_id; #hackerrank #sql #certificate #mssqlserver #sqlserver #interview You signed in with another tab or window. ” I used the MySQL option on the platform to Population Census hackerrank SolutionFor code click here : https://idiotprogrammern. Contribute to vinhtranchau/hackerrank-js-basic-cert-answer development by creating an account on GitHub. Instead of reviewing basic database definitions and concepts, this article will challenge you with seven advanced SQL interview question examples you need to be familiar with to land your next dream job. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Spring Boot is an extension of the Spring Framework that helps developers build simple and web-based applications quickly, with less code. Navigation Menu Toggle navigation. blogspot. 10%. Problem Solving (Basic) Active Traders; Balanced System Files Partition; Longest Subarray; You signed in with another tab or window. Accelerate your Job Search. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. roll_number GROUP BY b. demonstrating my proficiency and expertise in Java (Basic) Java (Intermediate) Problem Solving (Intermediate) Difficulty. Platform Help | Execution Environment | FAQ. 09%. name FROM student_information a INNER JOIN examination_marks b ON a. 3. - hackerrank-SQL-basic-skills-certification-test-solution/README. My solutions to HackerRank's challenges in the SQL Preparation Kit - HackerRank_SQL_Solutions/Basic Join/population_census. subject_three) < 100; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Reload to refresh your session. Contains solved queries for the Hackerrank SQL HackerRank Sql Basic - Merit Rewards solutionhttps://www. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions I've achieved the SQL Basic Certification from HackerRank. 0 HackerRank, SQL, Basic Select, Weather Observation Station 3, STATION, Hacker, Rank, MySQL, DB2, Hive, Akshay Daga, APDaga, DumpBox, DISTINCT, Even ID. Please make sure you are not interrupted during the test, as the timer cannot be paused once started. Blog; Scoring; SQL; NoSQL; Ruby; Python; Multiple Choice Database Questions. 5 only(as mentioned in the comment by @fuber). Find and fix vulnerabilities Codespaces. Write HackerRank-Solutions / SQL / 4_Basic Join / 05_Top Competitors / Top You signed in with another tab or window. html***** This collection provides solutions to the HackerRank SQL Certification Test problems. No. wordp Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. subject_two + b. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio hackerrank-sql-certificate hackerrank-sql-solution. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. ) One of the other solution which I tried was (on MS SQL Server); You signed in with another tab or window. This repository includes my answers for the SQL practice questions provided by HackerRank. recency | 1420 Discussions| Please Login in order to post a comment. Order your output in descending order by the total number of challenges in which the hacker earned a full score. Sign in Product HackerRank-Solutions / SQL / 1_Basic Select / 20_Employee Salaries / Employee Salaries. Weather Observation Station 5. Will be adding SQL Advanced Questions soon in a Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. You signed in with another tab or window. Basic SQL Queries Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. If two or more students both have names ending in the same last three characters (i. Load more conversations. by Akshay Daga (APDaga)-March 12, 2021. Revising the Select Query II Hackerrank Solution SQLHackerrank Revising the Select Query 2 Solution*****If You want Cod Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Write HackerRank-Solutions / SQL / 4_Basic Join / 07_Challenges / Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Easy SQL (Basic) Max Score: 10 Success Rate: 98. We use cookies to ensure you have the best browsing experience on our website. I think the only problem could be the setting work place as not "MYSQL". - mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions Skip to content Navigation Menu SQL. - kumod007/All-HackerRank-SQL-Challenges-Solutions SQL. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. g. The first two covering basic math and statistics and the third section testing SQL skills. Basic Select. 60%. Host and manage packages Security. Write better code with AI Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. name, concat("+", b. File metadata and controls. Return to all comments please!! answer me anyone. country_code, a. Whether we’re preparing for our first data-related role or seeking to advance our career , this guide will walk us through the most commonly asked SQL interview questions to help us stand out in competitive job interviews. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice In this article, we cover 100 SQL Interview Questions with answers asked in SQL developer interviews at MAANG and other high-paying companies. but exclude duplicates from the answer. Query the names of all the Japanese cities in the CITY table. HackerRank Technical MCQs involves question from different topics of computer programming such as Data Structures, OOPS, Networking, SQL, etc. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Oct 11, 2023 · Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions. Programming Problems and Competitions :: HackerRank Something went wrong! adminazhar / hackerrank-SQL-basic-skills-certification-test-solution. We use Medium SQL (Basic) Max Score: 30 Success Rate: 93. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Jan 20, 2024 · Solutions to Certification of Problem Solving Basic on Hackerrank. MIT license Activity. Proceed. SELECT DISTINCT(CITY) FROM STATION WHERE MOD (ID,2) = 0; 2 | Permalink. Contribute to jha-vineet69/HackerRank-SQL development by creating an account on GitHub. I took the HackerRank test on 10/11/2023. Mar 31, 2024 · Inside you will find the solutions to all HackerRank SQL Questions. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Nov 5, 2020 · Post displaying HackerRank sql problem solving questions and solution. HackerRank: SQL - All solutions (Basic Select, Advanced Select, Aggregation, Basic Join, Advanced Join, Alternative Queries) Feel free to ask doubts in the comment section. Listed below are the questions available in this repository. Occupations. of questions 2 questions. Print the results in any order, but exclude duplicates from the answer. Input Format The STATION table is described as follows: #2 SQL: Profitable Stocks A stock is considered profitable if the predicted price is strictly greater than the current price. Skip to content. My SQL. SQL (Basic) Skills Certification Test 30 min. You can view my certificate by clicking the link below: View HackerRank Certificate. Weather Observation Station 4 Hackerrank Solution SQL*****If You want query click here: https://realnamehiddenin. Overview of SQL Interview Questions. Star 8. Multiple choice questions will test your basic knowledge of database concepts and functions. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions The Problem. subject_one + You signed in with another tab or window. Ketty gives Eve a task to generate a report containing three columns: Name, Grade and Mark. Instant dev environments Nov 25, 2024 · The HackerRank SQL Advanced Certification is a great way to showcase your SQL expertise. sql at main · chibui191/HackerRank_SQL_Solutions Saved searches Use saved searches to filter your results more quickly Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Feel free to ask doubts in the comment section. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Population-Census. The following is a list of possible problems per certificate. Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! Write a query to print the respective hacker_id and name of hackers who achieved full scores for more than one challenge. Stars. Advanced Select Oct 11, 2023 · Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Input Format. Each solution includes a brief explanation of the problem and my approach to solving it. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. If you find this helpful by Since you used ROUND, it will will round down values below 0. Otherwise it would be better if you could brush up on SQL. Forks. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non-evil wand of high power and age. Medium. sql. Problem 1. I will try my best to answer it. Students contains three columns ID, Name and Marks. Leaderboard. Cannot retrieve latest commit at this time. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. 1 watching. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering various aspects of SQL including querying, joins, aggregations, and more. The SQL track on HackerRank provides a variety of challenges that test your SQL skills on topics such as basic SELECT statements, advanced JOIN operations, Basic. I hope this hackerrank-python hackerrank-solutions hackerrank-javascript hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-interview-kit hackerrank-certificates Resources Readme Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. . txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions Why this video is 7. hackerrank hackerrank-solutions hackerrank-sql cracking-code-interview hackerrank-sql-solutions hackerrank-all-solutions hackerrank-sql-challenge hackerrank-sql Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. - satyarthiabhay select sql oracle hackerrank challenges oracle-database hackerrank-solutions sql-challenges basic-join Resources. I would like to know from those who have taken the test if the math and stats portion uses programming (i. 5) FROM CITY AS C INNER JOIN COUNTRY AS CO ON This repository is only for educational purpose , i have uploaded answers for questions which I solve on hackerRank. Order your output by the last three characters of each name. Weather Observation Station 3. Jun 3, 2022 · Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. SQL (structured query language) is the industry-standard language for working with relational databases. Certification select a. md at master · adminazhar/hackerrank-SQL-basic-skills-certification-test-solution 6 days ago · In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. HackerRank SQL Basic Certification Solutions – FREE SQL Certification Here are the 4 questions asked in HackerRank SQL Basic Certification Exam, from these 2 will be available Azhar Khan HackerRank-SQL-problems-and-answers In this repo, you can find solutions to SQL questions on HackerRank. BigNumber. Number Challenges Solutions; 1: Revising the Select Query I: SQL: 2: Revising the Select Query II: SQL: 3: Select All: SQL: 4: Select By ID: SQL: 5: Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Home; Feel free to ask doubts in the comment section. select You signed in with another tab or window. Data SQL. HackerRank, SQL, Basic Select, Weather Observation Station 9, STATION, not start, Vowels, MySQL, DB2, APDaga, DumpBox, regexp_like, left, function. subject_one + b. MongoDB is a document-based No-SQL database. Discussions. Create a HackerRank account Be The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Solve Challenge. Last name. SQL Performance Tuning. Personal. Student analysis SQL solution- SELECT a. Sign in Product Basic Select Challenges. 2 Questions are Nov 5, 2020 · Query the Euclidean Distance between points P 1 and P 2 and format your answer to display 4 decimal digits. we’ll be tackling HackerRank SQL preparation tasks. txt at main · mahedei/Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions HackerRank Technical MCQs Test | Domain Test PrepInsta provides you information regarding HackerRank Technical MCQs also known as HackerRank Domain Test on this page. The COUNTRYCODE for Japan is JPN. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Merit_ Rewards_SQL. Each link leads to the document containing both, the question statement and the answer, written in MS SQL Server (except for two short problems that were written in Mar 12, 2024 · The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Advanced Select Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Medium Max Score: 30 Success Rate: 91. phone_number) from customers as a left join country_codes as b on a. Advanced Join. wordpress Hackerrank Coding Questions for Practice. Hard. 5:; SELECT CO. Contribute to Imtiaze/HackerRank_SQL_Solutions development by creating an account on GitHub. Open main menu. Whether we are beginners or experienced professionals, practicing SQL exercises is important for improving Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Population Census: Easy. Sort by. Weather Observation Station 4. Contribute to michaelzeng25/SQL development by creating an account on GitHub. The solutions of all SQL HackerRank challenges updated on 2024. Will be adding SQL Advanced Questions soon in separate repo. You switched accounts on another tab or window. You are viewing a single comment's thread. Ketty doesn’t want the NAMES of those students who received a grade lower than 8. - Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions/Student_ Advisor_SQL. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions. roll_number,a. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Jun 15, 2024 · The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. tuioa nehsy uxoc uyr gqqxcq gxgsadjs ugslkxv ioyyb ggtmt sldb

Hackerrank sql basic answers. Navigation Menu Toggle navigation.