Sql hackerrank practice top 50 r/SQL. com/challenges/sql-projects/problem Master SQL Advanced join for Interviews!This video tackles a SQL challenge from H This repository is dedicated to solving SQL challenges from HackerRank. 99%. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. In this post, I’ll share my solutions to some SQL problems on HackerRank, categorized as “Easy. Breadcrumbs. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - 07Agarg/HackerRank_Solutions. Find and fix vulnerabilities Actions. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for high-level query design and development. SQL is a standard language for storing, mani Solved SQL Questions from Hackerrank. In this playlist, we are going to solve all the hackerRank problems related to aggregation functions. Effective solutions to hackerrank. Tweet it Share it. Contact. I am not comfortable using CTE. Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Copy path. Draw The Triangle 2. sql at master · marinskiy/HackerrankPractice 170+ solutions to Hackerrank. This playlist will have the solutions which are very ea Hard SQL (Advanced) Max Score: 50 Success Rate: 78. As one of the platform for coding interview preparation, leetcode has some interesting challenge, one that I just recently complete is the SQL 50, and because I like the challenge is the reason for me to recommend leetcode for sql site for practicing. It serves as a platform to enhance my SQL skills and share my solutions with others. 83 KB main. Easy. Here, you’ll find: A variety of SQL problems: From beginner to advanced levels, covering key concepts like SELECT queries, JOINs, subqueries, window functions, and more. Medium. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions pl/sql tutorial : https://youtube. * Key point to notice here is that the hackers who got a full score are those whose score matches the score associated with the difficulty of that submission. sql at master · IhorVodko/Hackerrank_solutions Practice SQL querys with an online terminal. Going through them greatly improved my ability to Welcome to the ultimate HackerRank SQL Solutions playlist by Data Analyst Explorers! 📊 Whether you're a budding data enthusiast or an experienced analyst, Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. 🏋️♀️ After you grasp the basics, you then jump into SQL coding questions that challenge you and make sure you mastered those SQL fundamental concepts. r/SQL Contribute to greygenos/HackerRank-SQL-Solutions development by creating an account on GitHub. Revising the Select Query I. The case (uppercase or This repository contains solutions to all the HackerRank SQL Practice Questions - Pavith19/HackerRank-SQL-Challenges-Solutions. Keep reading for our top picks. Join me as I tackle challenges Welcome to the HackerRank SQL Solutions repository! 🚀 Dive into a curated collection of SQL queries crafted to tackle a range of challenges. Basic Join. Run . This repository is dedicated to practicing SQL queries using HackerRank problems. Take a look, play and have fun with this. Info; Rules; Scoring; Info. We present a curated list of 12 top-notch platforms that offer a Hey guys ,In this video,I have explained HackerRank SQL challenge #Employeesalaries step by step with an easy explaination. GeeksforGeeks. This is part 1 of the whole series. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. 📌 solutions and explanations to practice problems on hackerRank in mysql, python - suinkangme/HackerRank_Practice Hackerrank SQL Solution #6Intermediate SQL - Top Competitors#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #interv Another way to solve this query is using the pivot function in T-SQL. SQL (Basic) SQL (Intermediate) SQL (Advanced Why this video is 7. 50%. Sign in Product GitHub Copilot. Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to your registration! You can tell your friends about SQL. Website Name Pricing Certification Website Link; 1: SQLZoo: Free: No: Visit Now: HackerRank supports a robust community platform where users can Unlock the secrets of SQL with our latest video! 🚀 In this tutorial, we tackle 2-3 challenging SQL problems from HackerRank, providing clear, step-by-step s Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. About. Top 1% Rank by size . This platform is at the top of my personal list for practice. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Skills. Code written during programming contests and practice challenges in hackerrank. . Solve Challenge. It is very important that you all first give it a try & brainstorm yourselves before having a 1 stories · Enhance your SQL skills with these engaging HackerRank challenges. I am looking for something similar to practice SQL questions as well. ” I used the MySQL option on the platform to Top Earners. Verify your SQL Skills. Find the maximum amount of money earned by any employee, as well as the number of top earners /* MS-SQL*/ with cte1 as (select *, months * salary as earnings from Employee) SELECT earnings, count (*) FROM cte1 WHERE earnings = Create a HackerRank account Query the city names for all American cities with populations larger than 120,000. SQL is a standard language for storing, mani Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. These solutions can Welcome to the HackerRank SQL Problems repository! This collection features a variety of SQL challenges from HackerRank, designed to help you sharpen your SQL skills. Right Menu Left Menu. This is the only video you will need to improve you Exactly, practice makes perfect. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/Top Competitors. Rules. There are a total of 58 problems of varying difficulty level that test different concepts. com practice problems using Python 3, С++ and Oracle SQL - lislema/python-practice. Sign in Top Earners: SQL: 9: Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Welcome to my SQL Basics Practice Series! In this video, learn how to register on HackerRank, enroll in coding challenges, and navigate its sections. Easy SQL (Advanced) Max Score: 25 Success Rate: 97. ; Medium: Intermediate-level SQL challenges. 83%. Good Luck with Your Interview! In this article we have gathered over 100 SQL interview Contribute to DanEDR/HackerRank_Practice development by creating an account on GitHub. It contains solutions to various SQL problems organized by topics, allowing users to enhance their SQL skills systematically. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming 96. Aggregation. After some research, I've found that these are the most common SQL resources for interview prep. patient_id: INT: first_name: TEXT: last_name: TEXT: gender: CHAR(1) birth_date: DATE: city: TEXT: province_id: CHAR(2) Contribute to Ghada2016/HackerRank-SQL-Top-Competitors development by creating an account on GitHub. The Best Places to Practice SQL Online. com. ; Well-documented solutions: Each solution includes a clear explanation of the approach and the query used to solve the problem. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Link to Challenge - https://www. LeetCode and HackerRank are online Query all columns for all American cities in the CITY table with populations larger than 100000. Whether you're new to SQL or brushing up on your skills, @Tanishka Now that Alex as cracked how to run PL/SQL on Hackerrank, you could improve the answer by removing the whole DECLARE section, because your loops implicitly declare i and j so the ones at the top Solved SQL Questions from Hackerrank. When I used Stratascratch, I just built the tables in SSMS since they were so small, and that let me practice in T-SQL. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 60%. Easy SQL (Basic) Max Score: 10 Success Rate: 95. SQL Database. hackerrank. Subqueries and Nested Queries. Whether you're a beginner or an experienced developer, you'll find solutions and explanations for everything from basic queries to advanced data manipulation. This video is perfect for beginners About. The interviewer mentioned I will be tested on SQL and Statistics, now when I clicked on the test link to see the test overview there are 3 sections. Solved. We use cookies to 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. SQL. Occupations. Find and fix 005. As you might know, SQL, or 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. We use cookies to In this article, we’ll explore the 9 best websites to practice SQL, providing you with platforms rich in data, examples, and guidance to help you use them easily. Sign in Product Top. You switched accounts on another tab or window. I came across 3 sites which have SQL question bank like LC - since LeetCode and HackerRank are great for Data Structures and Algorithms but not good for SQL prep quite frankly. Contribute to cholu6768/SQL-Hackerrank-Practice-Questions development by creating an account on GitHub. The output is in a "code-ish" format. Basic Select. SQL (Basic) SQL (Intermediate) SQL (Advanced Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Inside you will find the solutions to all HackerRank SQL Questions. 1. To get the table values, I copied them from the query window and pasted them into CSV files for upload to the DB. Whether you’re prepping for an interview or This repository contains my solutions to all the HackerRank SQL Practice Questions. Settings. HackerRank certifications test technical skills through hands-on, standardized assessments shaped by input from over 2,000 companies [1]. ; Advanced: Expert-level problems and more complex You signed in with another tab or window. Nikhitha Perapola. Write better code with AI Security. * Another nasty join, no real way of getting out of it. Welcome to my channel! In this video, I walk you through solving key SQL challenges from HackerRank. If you guys have any doubt feel fr Answers to coding challenges on HackerRank - SQL and Python - Phani10/HackerRank-Practice. I am trying to grow my SQL skills and I wanted to ask if hackerrank is a good place to practice or if there are any other good resources? Im not looking for classes as I have taken dozens but a place to practice for interview prep. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming Max Score: 30 Success Rate: 94. Draw The Triangle 1 The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. This was curated after solving all 58 questions, and achieving a score of 1130 points Top Competitors 50. Overview of HackerRank Certifications. SQL is a standard language for storing, mani Master Advanced SQL Selects for Interviews!This video tackles a SQL challenge from HackerRank, focusing on advanced SELECT statements. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. This collection serves as a practical guide for anyone looking to improve their SQL skills while tackling real Meesho_HackerRank_SQL_Interview_Question. HackerRank is a platform for competitive coding. SELECT COUNT(CITY) - COUNT(DISTINCT CITY) FROM STATION; SQL, the Structured Query Language, is a cornerstone skill for anyone working with data. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Unsolved. Reply reply More replies. Accelerate your Job Search. Solving practice questions is the fastest way to learn any subject. Since HackerRank website doesn't allow 'create table' commands, I found a way around this by using 'select into #temptable" commands. 6: Binary Tree Nodes: Solution: We can write this query using simple case when statements. Medium SQL (Basic) Max Score: 30 Success Rate: 93. 😱 HackerRank jumps directly into challenging SQL coding questions that has a steep learning curve, some of those questions are not so intuitive from business perspective. Aug 4, 2023. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to 1. Hackerrank is a good platform to learn SQL from. Sign in Product SQL: 8: Top Earners: SQL: 9: Weather Observation Station 2: SQL: 10: Weather Observation Station 13: SQL: 11: Weather Observation Station 14: SQL: 12: Weather Take your SQL skills to the next level with my latest video! 🚀 In this tutorial, we solve 2 interesting SQL problems from HackerRank, providing clear, step- Hello friends, we’ve brought you 50 frequently asked SQL query interview questions and answers for practice. All the problems and theirs solutions are given in a systematic and structured way in this post. The CountryCode for America is USA. Top Earners: Click Here: 9: Weather Observation Station 13: You signed in with another tab or window. You signed in with another tab or window. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. Status. Hard. Wannabe Oracle dev here. Navigation Menu Toggle navigation. Advanced Join. Stars are welcome · Report a bug · Request a feature 👋 Welcome to Day 1 of Code with Mauli! Today, we're tackling the basics of SQL using HackerRank's CITY table challenge. - JawadSher/SQL-Problems-Solutions-HackerRank In this interesting challenge we would write an SQL query to determine top maximum earnings of a list of employees. 48%. Top. Programming Problems and Competitions :: HackerRank Something went wrong! I am trying to give an SQL interview through HackerRank. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in a MySQL environment. To practice, clone the repo and clear out the shells containing the solutions and write your own Dive into SQL mastery with our Data Analyst Explorers series! 📊 In this video, we dissect HackerRank's SQL challenge, offering a step-by-step solution to bo Share your videos with friends, family, and the world Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Write better code with AI HackerRank/SQL/Top Competitors link of practice : The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Share Contribute to cholu6768/SQL-Hackerrank-Practice-Questions development by creating an account on GitHub. Easy SQL (Advanced) Max Score: 25 Success Rate: 96. I'm ok with the paid subscriptions, as long as it is a top-quality resource. 66%. ⚡ Solutions to coding challenges on HackerRank (Python, Java, C++, SQL, Problem Solving & Math) <\> hackerrank hackerrank-python hackerrank-solutions hackerrank-java hackerrank-cpp hackerrank-sql hackerrank-math. We use cookies to ensure you have the best browsing experience on our website. This repository tracks my progress through the SQL course on HackerRank. Automate any workflow Codespaces This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to Recently, I achieved the HackerRank SQL Advanced Certification, and I’m excited to share my experience with all of you. You signed out in another tab or window. ” I used the MySQL option on the platform to solve each of the challenges. Learn and improve your SQL skills. select sql oracle hackerrank challenges oracle-database hackerrank-solutions sql-challenges Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Blame. The CITY table is described as follows: In this video, we will be solving SQL problems on Hackerrank. Topics So, in this free SQL exercises page, we'll cover a series of SQL practice exercises covering a wide range of topics suitable for beginners, intermediate, and advanced SQL learners. That’s why we’ve selected these 50 SQL 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. Each challenge offers a unique opportunity to sharpen your abilities and boo. Q. 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Skip to content It's all about translating the word problem into SQL, which sounds easy, but the problems are written quite weirdly on HackerRank. Do The next thing you need to know is where to practice SQL online. * Thus, if the submission has a The repository is organized as follows: Easy: Beginner-level SQL challenges. I don't know how Leetcode is so I can only speak of Hackerrrank. Prepare to showcase your understanding of SQL concepts, data manipulation, and writing optimized If you want to build your career in data science, You must learn sql. 108 lines (96 loc) · 1. Type of Triangle. To master this powerful language, consistent practice is crucial. to. To practice this SQL translation skill can also check out the 60+ question on DataLemur. Interviews can be hands-on, with problems to solve on CoderPad, HackerRank, or even a whiteboard session. Hi all! So I've been given the HackerRank Data Analyst test for interview, for preparation I've been doing SQL practice on HackerRank. Sign in Product Actions. Sign in. It is very important that you all first give it a try & brainstorm yourselves before having a Hackerrank is a great platform to practice SQL queries. The PADS. These exercises are designed to We also suggest our Advanced SQL Practice track, which is an online series of SQL practice courses designed for advanced users. SELECT CONCAT('There are a total of ', COUNT(*), ' ',LOWER(Occupation), 's Easy SQL (Basic) Max Score: 20 Success Rate: 96. GeeksforGeeks is a versatile platform for both beginners and experienced developers, offering hands-on coding practice to improve skills across various levels. Skip to content. Medium Max Score: 30 Success Rate SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. 82%. sql. Reload to refresh your session. Sign up. A well-designed and interactive learning environment is essential for understanding Problem. 03%. Perfect for beginners and seasoned developers alike! - rutikekre/SQL_Study_Material HackerRank SQL Practices Solutions with MS SQL Server - devhns/HackerRankSQLPractices. Advanced Select. This video will help you to improve your coding skills in SQL_____ This repository tracks my progress through the SQL course on HackerRank. Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Solved SQL Questions from Hackerrank. View Schema patients. 39. Medium Max Score: 30 Success Rate Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. I'm not in a FAANG company but at a top software company in my country (Norway) working as a Data Engineer. But as others said. Subdomains. No. ; Hard: Advanced-level SQL challenges. SQL (Basic) SQL (Intermediate) Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Challenge Link - https://www. Order Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. For example, if there are three records in the table with CITY values ‘New York’, ‘New York’, ‘Bengalaru Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. You can practice both SQL and Python here, as well as mathematics, data structures, databases, algorithms, artificial intelligence The goal of /r/SQL is to provide a place for interesting and informative SQL content and My goal is to practice 2-4 medium and hard questions everyday and start giving interviews for next week. We use cookies to A curated collection of solutions to SQL problems from platforms like LeetCode, Coding Ninjas, and HackerRank, along with valuable reading materials to enhance your SQL knowledge. Join over 23 million developers in solving code challenges on HackerRank, These concepts introduce more complex features and functionalities of SQL. Each solution is designed to demonstrate various SQL techniques and best practices, with clear comments to enhance understanding. We use cookies to I did all the free SQL challenges in Hackerrank and it was enough for me to solve any problems I was presented with. Host and manage packages Top. hackerrank where LAT_N is the northern latitude and LONG_W is the western longitude. HackerRank Another popular one, has really good amount of problems related with sql, nice UI This repository contains solutions to Hackerrank practice problems with SQL. 02%. 1 lines (1 loc) · 56 Bytes. Automate any workflow Packages. SQL (Basic) SQL (Intermediate) SQL (Advanced Join over 23 million developers in solving code challenges on HackerRank, These concepts require a deeper understanding of SQL and its ecosystem. Easy SQL (Basic) Max Score: 20 Success Rate: 98. Find and fix vulnerabilities You signed in with another tab or window. In this post, we will be covering all the solutions to SQL on the HackerRank platform. Join over 23 million developers in solving code challenges on HackerRank, Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Appreciate any tip and help. We define an employee’s total earnings to be their monthly salary*months worked, HackerRank SQL Practice- Advanced Select. SQL is a standard language for storing, mani Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. 95%. Learn to tackle SQL challenges on LeetCode and HackerRank for data engineering interviews with efficient strategies, practice tips, and problem count advice. However, in the above query I have tried sticking to using standard SQL. It's frustrating. Solve SQL query questions using a practice database. sqlPractice / Meesho_HackerRank_SQL_Interview_Question. Open in app. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Latest commit History History. Code. Each solution includes a brief explanation of the problem and my approach to solving it. Practice You might like to solve practice problems on HackerRank. 27%. Top Earners | Easy | HackerRank We define an employee's total earnings to be their monthly salary × months worked, and the maximum total earnings to be the maximum total earnings for any employee in the Employee I'm looking for a comprehensive online resource to brush up on SQL and prep for SQL assessments in analytics interviews. File metadata and controls. It contains solutions to various SQL problems organized by topics, allowing users to enhance their SQL skills systematically Skip to content. 170+ solutions to Hackerrank. 65%. These 90-minute tests allow freshers to demonstrate practical expertise, offering a way to connect academic knowledge with real-world job demands. The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & Basic to intermediate SQL topics 50 essential SQL questions Best for 1 month of prep time In this post, I’ll share my solutions to some SQL problems on HackerRank, categorized as “Easy. Top Earners. Starts in. It has an extensive collection of problems on topics like Data Structures, Algorithms, and Competitive Programming, helping users build and refine their coding skills effectively. Alternative Queries. 🔥SQL stands for Structured Query Language. In this article, I’ll walk you through two questions from the exam along Hackerrank is a great platform to practice SQL queries. File metadata and Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Raw. More posts you may like r/SQL. com/playlist?list=PLCWQNLd8T4_gxqzav19GJyrEjZBL4ytA2 ***** Oracle SQL Tutorial : https://yo Top Earners. Please refrain from discussing strategy during Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. I also tried stratascratch and it's all good, everything is as you expect. it’s 100% free, and features 50+ SQL questions from real FAANG SQL interviews! Effective solutions to hackerrank. Conquer your next data 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. Sign in Product Top Earners: SQL: 9: Weather Observation Top Earners. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Top Earners – HackerRank You signed in with another tab or window. 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. Navigation Menu Here’s an overview of the top 10 websites to practice SQL: S. This repository contains my solutions to the top 50 LeetCode SQL challenges implemented using PySpark DataFrame and PySpark SQL. Besides HackerRank, practicing on DataLemur is a good bet – has 50+ free SQL interview questions. Top Competitors. mvw vdbhlz mrtxy csrxw gscbvi adjvqn jgfb yljxd fjrv rsw