Hackerrank sql 5 star There are a total of 58 problems of varying difficulty level that test different concepts. About. Open main menu. Hackerrank is a great platform to practice SQL queries. Please read our cookie policy for Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. These questions not only tested my technical skills but also challenged me to think Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. They had to be ranked by some metric. Status. 19 lines (19 loc) · 586 Bytes master. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions Star 3. 6 of 6; 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. In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Population Density Difference. sql. HackerRank / SQL / Basic Join / Ollivander's Inventory / Solution. In this video You can learn that how to solve the first query of SQL series on HackerRank. Curate this topic Add this topic to your repo You signed in with another tab or window. 450. 7k. It was like 2 hours. Each domain on HackerRank (i. You signed out in another tab or window. Guestbook. I have also earned a 5-star badge on HackerRank This repository contains solutions to various SQL challenges and problems solved on HackerRank. 3 Star - Silver. 0 forks Report repository Releases No releases published. It discusses the importance of SQL skills and Star 5. Crack your coding interview and get hired. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions You signed in with another tab or window. 6 of 6; Check your score You signed in with another tab or window. We use cookies to ensure you have the best browsing experience on our website. total number of unique hackers who made at least 1 submission each day (starting on the first day of the contest), and; find the hacker_id and name of the hacker who made maximum number of submissions Query the Western Longitude for the largest Northern Latitude under 137. CountryCode and COUNTRY. 3. Advanced Join. Discussions. Return to all comments → You signed in with another tab or window. Skip to content. It's frustrating. sql at main · chibui191/HackerRank_SQL_Solutions Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. It was python and sql. - ashraf789/Hackerrank-problem-solving Star Notifications You must be signed in to change notification settings. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights Files main Files main. Write a query to print. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. reddit's new API changes kill third party apps that offer accessibility features, mod tools, and other features not found in the first party app. Code; Issues 1; Pull requests 1; Actions; Projects 0; Security; Insights Files master. W3Schools is a much better resource to learn SQL than Select Star SQL Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Join over 23 million developers in solving code challenges on HackerRank, SQL; Problem Solving Badges. Medals. ) One of the other solution which I tried was (on MS SQL Server) ; You signed in with another tab or window. Exclude You signed in with another tab or window. Kind of lame on Hackerrank's end. Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. You signed in with another tab or window. Find how many products falls into customer budget along with list of products. Aggregation. Sign in Product Actions. Exclude Contribute to sknsht/HackerRank development by creating an account on GitHub. 0 | Parent Permalink. If SQL (Intermediate) SQL (Advanced) Difficulty. 2 Star - Bronze. Note: CITY. Going through them greatly Congrats on your amaizng 5-star gold badge Gajendra Sharma!Love to see your hard work paying off, keep up the excellent work, we're rooting for you 👏👏👏 Why this video is 7. 175. 03%. , that is date difference from 5th to 1st will be 5 (Right Hand Side) and distinct submission date for a hacker who made at least one submission each day from 1st to 5th will also be 5 (left hand side) Share. By detailing sales figures per city and identifying customers who spent 25% or less than Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Home HackerRank HackerRank: [SQL Basic Select] (13/20) Weather Observation Station-8 | regexp_like, left, right function in SQL. where LAT_N is the northern latitude and LONG_W is the western This page contains solutions for all HackerRank SQL challenges which were passed successfully. 🌟 Unlocking a 5 ★ Gold Badge in SQL on HackerRank! 🌟 Excited to share a personal achievement in my SQL journey! 💼 I've recently unlocked the prestigious 5-star gold badge in SQL on Contribute to sknsht/HackerRank development by creating an account on GitHub. I started studying SQL from a very famous site - HackerRank. I think it work only for ms sql sever2012 but won't work for oracle, Is there anything like "TOP" in oracle. 2 years ago + 2 comments. Population) rounded down to the nearest integer. 65%. Medal distribution is as follows: HackerRank personal solutions. I'm just not sure it's possible, as I didn't see a way to download any csv or sql file data. Code are Effective solutions to hackerrank. 1 watching Forks. Continent) and their respective average city populations (CITY. Here I will try to provide multiple approaches & solutions to the same problem. in/gj5ZBW2J Thrilled to share a significant milestone in my SQL journey – achieving the coveted 5-star gold . Like. . Hard. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights Blame. 2 years ago + 0 comments. 9 years ago + 5 comments. Leaderboard. txt) or read online for free. 5 lines (5 loc) · 85 Bytes master. : enclosed in parentheses). Tutorial Badges. Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - HackerRank-Solutions/SQL/01 - Basic Select/11 - Weather Observation Station 6. SQL. Subdomains. HackerRank-SQL Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Star 74. There can be multiple ways of approaching solution to any problem. So, without wasting any time, let’s jump to the SQL (Intermediate) SQL (Advanced) Difficulty. Articles Works Shiny Snippets Resume About Contact. 📂 HackerRank SQL code challenges solutions. Footer Post displaying HackerRank sql problem solving questions and solution. 🚀 Turning Data into Gold! 🏆 Just earned my 5-Star SQL Badge on HackerRank! 🚀 Excited to query More data challenges ahead! 📊💡 #SQL #Mysql #HackerRank. mysql challenge sql hackerrank mysql-database hackerrank My solutions to HackerRank's challenges in the SQL Preparation Kit - HackerRank_SQL_Solutions/Basic Join/population_census. COUNT(city) will count the number of row If it has city column and has value. We use cookies to ensure Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Basic Select/Weather Observation Station 5. Thanks I changed off MySQL because I was getting annoyed, and it worked (changed to DB2). Get ready to excel in SQL-related interviews with comprehensive learning materials and real-world problem-solving examples. Return to all comments COUNT is the aggregate Funtion that used to count the number of rows in a table. COUNT (DISTINCT city) count the number of row in which has the city column but did not count that row in which the city value is repeated. 1. sqlPractice / Meesho_HackerRank_SQL_Interview_Question. Basic Select. If 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. Breadcrumbs. :/ 0 | Parent Permalink. Latest commit History History. Contribute to KAUSHIKDHASMANA/HackerRank-SQL-5-star-journey development by creating an account on GitHub. Code; Issues 0; Pull requests 0; Actions You signed in with another tab or window. Skills. 75%. Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Write a query to print the contest_id, hacker_id, name, and the sums of total_submissions, total_accepted_submissions, total_views, and total_unique_views for each contest sorted by contest_id. 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. This is the only video you will need to improve you Thrilled to share that I've just earned the Gold Badge in SQL on HackerRank! It's been an exhilarating journey of refreshing my knowledge, tackling challenging cases, and expanding my SQL toolkit This repository contains the solutions that I have submitted to earn SQL Gold Badge on the Hacker Rank Platform. We use cookies to Contains solved queries for the Hackerrank SQL (Intermediate) Star 5. Modified 8 months ago. Latest commit History History -- 5. mysql challenge sql hackerrank mysql 🌟 Data Analyst Update: Achieving 5 Stars in SQL on HackerRank! 🚀 Hello, LinkedIn community! I'm thrilled to share a major accomplishment in my ongoing GET 5 STAR ON HACKERRANK IN SQL. The CASE statement is followed by at least one pair Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. 1 Revising the 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. Query the number of ocurrences of each occupation in OCCUPATIONS. pdf), Text File (. Medal distribution is as follows: All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. 600. If hackerrank-sql Star HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications. This project is open-source and available under the MIT License. Being a fresher, I firmly believe there is much I'm thrilled to share that I've achieved the Gold badge and #5star status in SQL on the HackerRank platform! 🎉 This journey has been incredibly rewarding, filled with challenges that honed my Why does my code work fine on my machine but not on HackerRank?? Contest Details; How do I test and submit my code? Unregister from contest/tutorials; Comments 0 comments. 🌟 Exciting News: Earned SQL 5-Star Gold Badge on HackerRank! 🌟 https://lnkd. Create a HackerRank account Be part of a 23 million-strong community of developers. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). DjBurst. “HackerRank SQL” is published by Isabelle in JEN-LI CHEN IN DATA SCIENCE. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. So, without wasting any time, let’s jump to the Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Copy path. Sort by. Weather Observation Station 17. Navigation Menu Star 549. HackerRank personal solutions. Hackerrank-SQL-Solutions 🌟 SQL Milestone Unlocked: Attained the Coveted 5-Star Golden Badge on HackerRank! 🚀 This journey has been a testament to the power of continuous learning and problem-solving. We use cookies to 🏆 Thrilled to Share: Achieved 5-Star Gold Badge in SQL on HackerRank 🚀 From mastering SQL fundamentals to optimizing queries and tackling complex data challenges, this accomplishment Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Automate any workflow 1 star Watchers. We use cookies to ensure you Star HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications. Alternative Queries. select You signed in with another tab or window. The thing that bothers me with HackerRank SQL questions is that it doesn't show the SQL queries output properly, like with a table, with the column names etc. A user's rating and overall position in the leaderboard is calculated from their performance in In this video You can learn that how to solve the first query of SQL series on HackerRank. Saved searches Use saved searches to filter your results more quickly Samantha interviews many candidates from different colleges using coding challenges and contests. 300. Advanced Select. The goal of this repository is to document and share SQL queries that I have #18 Higher Than 75 Marks | SQL SOLUTIONS | Get 5 star on HackerRank | SQL Tutorial #coding #programming #sql If this is the first-ever video you're watchi HackerRank SQL all questions solved. HeavyLight88. SQL (Basic) SQL Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. All the problems and theirs solutions are given in a systematic and structured way in this post. Star Here are 37 public repositories matching this topic Language: All. - GitHub - adarsh2104/journey-to-hackerank Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. pdf - Free download as PDF File (. mysql challenge Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. You switched accounts on another tab or window. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 Effective solutions to hackerrank. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, I'm thrilled to share that I've achieved the Gold badge and #5star status in SQL on the HackerRank platform! 🎉 This journey has been incredibly rewarding, filled with challenges that honed my 🌟🥇 Excited to share that I've achieved a 5-Star Gold Badge on HackerRank! for SQL challenges! 🏆 Thankful to HackerRank for providing such a platform to | 22 comments on LinkedIn CSCareerQuestions protests in solidarity with the developers who made third party reddit apps. Code; Issues 1; Pull requests 16; Actions; Projects 0; Wiki; Security; Insights Working Platform:- DB2, MySQL, Oracle, MS SQL Server */ SELECT SUM (POPULATION) FROM CITY. WHERE DISTRICT = ' California Level up your SQL skills for interviews! Explore a curated collection of SQL resources, interview questions, answers, PDFs, YouTube channels, websites, and Hackerrank solutions. where LAT_N is the northern latitude and LONG_W is the western "Hello everyone! 🌟 I've been on an interesting journey, solving different types of SQL questions. This will also help you to get your golden badge on HackerRank. All my solutions to get 5 * (gold) badge in both SQL and Problem solving. Top 25% users in any rated contest will get one of gold, silver and bronze medals. Code Issues Pull requests The solutions of all SQL hackerrank challenges using MySQL . 📜 License. To view, all my achievements follow the link to my Hacker-Rank profile. Star 2. Please sign in to leave a comment. Breadcrumbs Samantha interviews many candidates from different colleges using coding challenges and contests. We use cookies to ensure you In this video You can learn that how to solve the first query of SQL series on HackerRank. : number of characters in the name). Case Statement - (SQL) The CASE statement is SQL's way of handling if/then logic. mitaraya11. Easy. recency | 1230 Discussions| Please Login in order to post a comment. No packages published . The HackerRank SQL Advanced Certification is a great way to showcase your SQL expertise. 8223 words 42 min read My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - HackerRank_Solutions/SQL/Basic Select/Weather Observation Station 4. 650. You can compile your code and test it for errors and accuracy before submitting. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. Please read our cookie policy for 🚀 "Thrilled to announce my 5-star rating in SQL on HackerRank! Excited to apply these advanced skills in real-world scenarios Contribute to viveksyngh/Hackerrank-Code development by creating an account on GitHub. HackerRank Community. Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Please find the provided solutions for learning purposes only. Weather Observation Station 5. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. Star 5. Julia conducted a 15 days of learning SQL contest. HackerRank / SQL / Basic Select / Employee Salaries / Solution. Comment. Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. Code; Issues 6; Pull requests 0; Actions; Projects 0; Security; Insights Files master Files master. Unsolved. 2345, rounded to 4 decimal places. e. Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. Star 259. If the city name is repeated in any row that also be counted . 15%. sql at master · 07Agarg/HackerRank_Solutions Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions Problem. Medium. Syntax : Declare @variable_name DATATYPE -- first declare all the -- variables with datatype -- like (int) select @variable = WITH_ANY_VALUE -- select the variable and -- initialize with value while CONDITION -- condition like @variab This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Basic Select/Weather Observation Station 5. Solve Challenge. 5 Star - Gold. Sql - Badge Level. Filter The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Points Needed. 🌟 Excelling in SQL on HackerRank: Achieving the Coveted 5-Star Rating! 🌟 I am thrilled to announce a significant milestone in my SQL journey: reaching the prestigious 5-star rating on 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. 1 Revising the Hello Linkedin family,🙋♀️🙋♀️🙋♀️🙋♀️🙋♀️ Finally I received my 5-star Gold Batch from #hackerrank for SQL Challenges. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. This document provides a guide to mastering SQL through problem-solving. oracle: with t1 as ( select level lvl from dual connect by level <= 20 order by level desc ) select rpad('* ', lvl*2, '* ') from t1; 📂 HackerRank SQL code challenges solutions. - SQL-Hackerrank-Challenge-Solutions/Basic Select/Weather-Observation-Station-5. sql You signed in with another tab or window. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. 80. 2345 ORDER BY LAT_N DESC LIMIT 1; What is wrong with this query?? in DB2 it is showing incorrect, any help is appreciated. The output is in a "code-ish" format. Submissions. Blog; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Print different star patterns in SQL Let's see how we can print the pattern of various type using SQL. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, JavaScript 🌟 Personal Milestone Achieved! 🌟 I'm thrilled to share that I've reached a 4-star rating in SQL on HackerRank! 🚀 HackerRank has been an invaluable platform for sharpening my SQL skills Draw the triangle pattern using asterisks. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Feel free to use, share, and improve upon it! 🚀 Level up your SQL skills with these HackerRank challenges and become a coding master! 🚀 Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Star 266. -1 | HackerRank SQL 5 Stars. - ashraf789/Hackerrank-problem-solving. 50%. We use cookies to ensure Answer in MS SQL SERVER: SELECT TOP 1 CITY, LEN(CITY) FROM STATION ORDER BY LEN(CITY),CITY; SELECT TOP 1 CITY, LEN(CITY) FROM STATION ORDER BY LEN(CITY) DESC,CITY; 52 | Permalink. Packages 0. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Reload to refresh your session. SELECT CAST(LONG_W AS DECIMAL(10,4)),LAT_N FROM STATION WHERE LAT_N < 137. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. If there is more than one smallest or largest city, choose the one that 🚀 Exciting News: Achieved 5-Star Gold Badge in C++ on HackerRank! 🌟 Three months ago, I embarked on a thrilling coding journey, Specialized Skills: I’ve delved into SQL, 15 days of Sql From hackerrank [duplicate] Ask Question Asked 7 years, 4 months ago. Toggle navigation. Published on November 5, 2020. We use cookies to Join over 23 million developers in solving code challenges on HackerRank, These concepts require a deeper understanding of SQL and its ecosystem. As I recall the sql portion required grouping and aggregating visitors or some events. sql About. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for high-level query design and development. 1 Star - Bronze. Algorithms, Artificial Intelligence, etc) has its own leaderboard. Excited to announce my achievement of earning the 5-Star Gold Badge in SQL from HackerRank! 💫 Through dedicated learning and practice, I've deepened my SQL Level up your SQL skills for interviews! Explore a curated collection of SQL resources, interview questions, answers, PDFs, YouTube channels, websites, and Hackerrank solutions. Ollivander's Inventory. Contribute to rene-d/hackerrank development by creating an account on GitHub. 4 Star - Silver. Problem. Solved. Code; Issues 5; Pull requests 3; Actions; Projects 0; Wiki; Security; Insights Files master. 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. Blame. SQL (Basic) SQL 🌟🥇 Excited to share that I've achieved a 5-Star Gold Badge on HackerRank! for SQL challenges! 🏆 Thankful to HackerRank for providing such a platform to | 22 comments on LinkedIn All my solutions to get 5 * (gold) badge in both SQL and Problem solving. by Akshay Daga (APDaga)-February 26, 2021. It all started from the basics, and now I'm proud to say You can compile your code and test it for errors and accuracy before submitting. Excited to announce my achievement of earning the 5-Star Gold Badge in SQL from HackerRank! 💫 Through dedicated learning and practice, I've deepened my SQL Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. We use cookies to Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. New Companies. #coding #MySQL #HackerRank #SQLPracticeQuestions #SQLPracticeSolutions #SQLProgramming #sqlqueries #trendingreels #sqltutorial #sqldeveloper #I#instagram #facebookreels. sql at master · nathan-abela Star 436. 0. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights; Files main. 🚀 Achieved 5 Stars in SQL on HackerRank! 🌟 I'm thrilled to share that I've achieved a 5-star rating in SQL on HackerRank! 🎉 This accomplishment signifies my dedication to mastering 🌟 Achieved 5-Star Mastery on HackerRank SQL Challenges! 🌟 I'm thrilled to share that I've recently earned a 5-star rating on HackerRank's SQL challenges Star 0. Basic Join. The STATION table is described as follows:. - GitHub ⭐ Star us on GitHub — it motivates us a lot! CodeRankGPT helps you solve HackerRank coding problems during your coding interview. Hackerrank-Code / SQL / Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. You are viewing a single comment's thread. I'll take a look in Write a query to print the shortest and longest length city name along with the length of the city names. A curated compilation of my solutions to HackerRank's SQL challenges - jacobjlee/hackerrank-sql. qntkhbupunepaoimkehlrzidjvptcvvsdkftzzqypvdyhpd