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Hackerrank sql 5 star Code; Issues 1; Pull requests 1; Actions; Projects 0; Security; Insights Files master. Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY. 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. Query the number of ocurrences of each occupation in OCCUPATIONS. Advanced Join. 75%. In this video You can learn that how to solve the first query of SQL series on HackerRank. It's frustrating. It all started from the basics, and now I&#39;m proud to say You can compile your code and test it for errors and accuracy before submitting. The STATION table is described as follows:. COUNT(city) will count the number of row If it has city column and has value. Medium. 50%. All my solutions to get 5 * (gold) badge in both SQL and Problem solving. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Published on November 5, 2020. Comment. Skip to content. Breadcrumbs. 6 of 6; Check your score You signed in with another tab or window. Thanks I changed off MySQL because I was getting annoyed, and it worked (changed to DB2). Navigation Menu Star 549. Code Issues Pull requests The solutions of all SQL hackerrank challenges using MySQL . This document provides a guide to mastering SQL through problem-solving. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Skills. 2 Star - Bronze. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment. 📜 License. Please read our cookie policy for 🚀 &quot;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. It was like 2 hours. Reload to refresh your session. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Like. Contribute to KAUSHIKDHASMANA/HackerRank-SQL-5-star-journey development by creating an account on GitHub. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for high-level query design and development. The HackerRank SQL Advanced Certification is a great way to showcase your SQL expertise. HackerRank Community. Top 25% users in any rated contest will get one of gold, silver and bronze medals. , 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. This repository contains solutions to all the HackerRank SQL Practice Questions - HackerRank-SQL-Challenges-Solutions/Basic Select/Weather Observation Station 5. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 Effective solutions to hackerrank. HeavyLight88. 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. 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. 7k. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. #coding #MySQL #HackerRank #SQLPracticeQuestions #SQLPracticeSolutions #SQLProgramming #sqlqueries #trendingreels #sqltutorial #sqldeveloper #I#instagram #facebookreels. Star 266. The output is in a "code-ish" format. Hard. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. CountryCode and COUNTRY. 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. 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. 2 years ago + 0 comments. 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. 5 Star - Gold. sqlPractice / Meesho_HackerRank_SQL_Interview_Question. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Excited to announce my achievement of earning the 5-Star Gold Badge in SQL from HackerRank! 💫 Through dedicated learning and practice, I&#39;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. Medals. Tutorial Badges. Status. mysql challenge sql hackerrank mysql 🌟 Data Analyst Update: Achieving 5 Stars in SQL on HackerRank! 🚀 Hello, LinkedIn community! I&#39;m thrilled to share a major accomplishment in my ongoing GET 5 STAR ON HACKERRANK IN SQL. 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. Footer Post displaying HackerRank sql problem solving questions and solution. SQL (Basic) SQL Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. HackerRank personal solutions. Return to all comments COUNT is the aggregate Funtion that used to count the number of rows in a table. I think it work only for ms sql sever2012 but won't work for oracle, Is there anything like "TOP" in oracle. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights; Files main. There can be multiple ways of approaching solution to any problem. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Join over 23 million developers in solving code challenges on HackerRank, SQL; Problem Solving Badges. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions Star 3. where LAT_N is the northern latitude and LONG_W is the western &quot;Hello everyone! 🌟 I&#39;ve been on an interesting journey, solving different types of SQL questions. No packages published . This will also help you to get your golden badge on HackerRank. It discusses the importance of SQL skills and Star 5. 🌟 Exciting News: Earned SQL 5-Star Gold Badge on HackerRank! 🌟 https://lnkd. - ashraf789/Hackerrank-problem-solving Star Notifications You must be signed in to change notification settings. Ollivander's Inventory. 🚀 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. 🚀 Turning Data into Gold! 🏆 Just earned my 5-Star SQL Badge on HackerRank! 🚀 Excited to query More data challenges ahead! 📊💡 #SQL #Mysql #HackerRank. A curated compilation of my solutions to HackerRank's SQL challenges - jacobjlee/hackerrank-sql. Submissions. Articles Works Shiny Snippets Resume About Contact. There are a total of 58 problems of varying difficulty level that test different concepts. Curate this topic Add this topic to your repo You signed in with another tab or window. It was python and sql. Create a HackerRank account Be part of a 23 million-strong community of developers. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. 9 years ago + 5 comments. Algorithms, Artificial Intelligence, etc) has its own leaderboard. Hackerrank is a great platform to practice SQL queries. We use cookies to ensure you have the best browsing experience on our website. 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. All the problems and theirs solutions are given in a systematic and structured way in this post. You can compile your code and test it for errors and accuracy before submitting. HackerRank-SQL Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Latest commit History History. Weather Observation Station 17. I have also earned a 5-star badge on HackerRank This repository contains solutions to various SQL challenges and problems solved on HackerRank. Star 5. 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. - ashraf789/Hackerrank-problem-solving. Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. 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. 0 | Parent Permalink. They had to be ranked by some metric. 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. 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. Sign in Product Actions. Contribute to vinibrsl/hackerrank-sql development by creating an account on GitHub. Excited to announce my achievement of earning the 5-Star Gold Badge in SQL from HackerRank! 💫 Through dedicated learning and practice, I&#39;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. Star Here are 37 public repositories matching this topic Language: All. I started studying SQL from a very famous site - HackerRank. Note: CITY. Kind of lame on Hackerrank's end. 600. sql at master · nathan-abela Star 436. sql at main · Pavith19/HackerRank-SQL-Challenges-Solutions Problem. 450. pdf), Text File (. :/ 0 | Parent Permalink. Breadcrumbs Samantha interviews many candidates from different colleges using coding challenges and contests. As I recall the sql portion required grouping and aggregating visitors or some events. - SQL-Hackerrank-Challenge-Solutions/Basic Select/Weather-Observation-Station-5. 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. sql About. in/gj5ZBW2J Thrilled to share a significant milestone in my SQL journey – achieving the coveted 5-star gold . 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. Basic Select. 0 forks Report repository Releases No releases published. e. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). Exclude You signed in with another tab or window. 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. Latest commit History History -- 5. Easy. 🌟 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. 5 lines (5 loc) · 85 Bytes master. Continent) and their respective average city populations (CITY. Discussions. 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 🎓. 80. 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 0; Pull requests 0; Actions; Projects 0; Security; Insights Files main Files main. 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. Code; Issues 6; Pull requests 0; Actions; Projects 0; Security; Insights Files master Files master. 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. 65%. 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. select You signed in with another tab or window. To view, all my achievements follow the link to my Hacker-Rank profile. Open main menu. Julia conducted a 15 days of learning SQL contest. 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. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Population Density Difference. 1 watching Forks. 03%. 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. Here I will try to provide multiple approaches & solutions to the same problem. : number of characters in the name). 2345, rounded to 4 decimal places. DjBurst. SQL. 1 Revising the Hello Linkedin family,🙋♀️🙋♀️🙋♀️🙋♀️🙋♀️ Finally I received my 5-star Gold Batch from #hackerrank for SQL Challenges. . Return to all comments → You signed in with another tab or window. 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. by Akshay Daga (APDaga)-February 26, 2021. Find how many products falls into customer budget along with list of products. 15%. - GitHub ⭐ Star us on GitHub — it motivates us a lot! CodeRankGPT helps you solve HackerRank coding problems during your coding interview. 2345 ORDER BY LAT_N DESC LIMIT 1; What is wrong with this query?? in DB2 it is showing incorrect, any help is appreciated. 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. Filter The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Aggregation. About. 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&#39;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. Hackerrank-Code / SQL / Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. 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. Write a query to print. Code; Issues 0; Pull requests 0; Actions You signed in with another tab or window. Get ready to excel in SQL-related interviews with comprehensive learning materials and real-world problem-solving examples. Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. Leaderboard. Alternative Queries. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions You signed in with another tab or window. Blog; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 19 lines (19 loc) · 586 Bytes master. Medal distribution is as follows: HackerRank personal solutions. Sort by. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. 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. 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. We use cookies to ensure Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. I'm just not sure it's possible, as I didn't see a way to download any csv or sql file data. Solve Challenge. Toggle navigation. Crack your coding interview and get hired. Code; Issues 0; Pull requests 0; Actions; Projects 0; Security; Insights Blame. Star 74. 1. 175. Unsolved. SELECT CAST(LONG_W AS DECIMAL(10,4)),LAT_N FROM STATION WHERE LAT_N < 137. 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. SQL (Basic) SQL 🌟🥇 Excited to share that I&#39;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. Contribute to rene-d/hackerrank development by creating an account on GitHub. Code; Issues 5; Pull requests 3; Actions; Projects 0; Wiki; Security; Insights Files master. ) One of the other solution which I tried was (on MS SQL Server) ; You signed in with another tab or window. pdf - Free download as PDF File (. You signed in with another tab or window. You are viewing a single comment's thread. HackerRank / SQL / Basic Select / Employee Salaries / Solution. : enclosed in parentheses). Star 2. HackerRank / SQL / Basic Join / Ollivander's Inventory / Solution. “HackerRank SQL” is published by Isabelle in JEN-LI CHEN IN DATA SCIENCE. Print different star patterns in SQL Let's see how we can print the pattern of various type using SQL. If SQL (Intermediate) SQL (Advanced) Difficulty. We use cookies to ensure you In this video You can learn that how to solve the first query of SQL series on HackerRank. 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. -1 | HackerRank SQL 5 Stars. 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. Weather Observation Station 5. mysql challenge Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. Exclude Contribute to sknsht/HackerRank development by creating an account on GitHub. Basic Join. We use cookies to Contains solved queries for the Hackerrank SQL (Intermediate) Star 5. Modified 8 months ago. Population) rounded down to the nearest integer. Medal distribution is as follows: All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Guestbook. 1 Star - Bronze. 2 years ago + 2 comments. Sql - Badge Level. The CASE statement is followed by at least one pair Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. 300. sql You signed in with another tab or window. Saved searches Use saved searches to filter your results more quickly Samantha interviews many candidates from different colleges using coding challenges and contests. Blame. 4 Star - Silver. 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. Star 259. In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. 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. Subdomains. - 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. 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. Advanced Select. 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. Solved. Case Statement - (SQL) The CASE statement is SQL&#39;s way of handling if/then logic. New Companies. sql. 📂 HackerRank SQL code challenges solutions. Please find the provided solutions for learning purposes only. txt) or read online for free. If the city name is repeated in any row that also be counted . Please sign in to leave a comment. 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. mitaraya11. recency | 1230 Discussions| Please Login in order to post a comment. 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. Home HackerRank HackerRank: [SQL Basic Select] (13/20) Weather Observation Station-8 | regexp_like, left, right function in SQL. Code are Effective solutions to hackerrank. 650. You signed out in another tab or window. 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. 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. Problem. 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. 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. 0. Each domain on HackerRank (i. This project is open-source and available under the MIT License. 3 Star - Silver. You switched accounts on another tab or window. 🌟 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. 3. By detailing sales figures per city and identifying customers who spent 25% or less than Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Packages 0. Copy path. Points Needed. sql at master · 07Agarg/HackerRank_Solutions Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. So, without wasting any time, let’s jump to the SQL (Intermediate) SQL (Advanced) Difficulty. rmh iyfmxtl tbvfpp xmvqkz hunc luk xgaz dwbr srvrp mssgewi