Sql hackerrank practice top 50. your registration! You can tell your friends about SQL.

Sql hackerrank practice top 50 * 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. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. More posts you may like r/SQL. ” I used the MySQL option on the platform to solve each of the challenges. Easy. Type of Triangle. Practice You might like to solve practice problems on HackerRank. 🏋️‍♀️ 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. Top Earners. Unsolved. Medium SQL (Basic) Max Score: 30 Success Rate: 93. sql at master · IhorVodko/Hackerrank_solutions Practice SQL querys with an online terminal. SQL. In this article, I’ll walk you through two questions from the exam along Hackerrank is a great platform to practice SQL queries. Learn and improve your SQL skills. Navigation Menu Here’s an overview of the top 10 websites to practice SQL: S. Solve Challenge. * Another nasty join, no real way of getting out of it. 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. 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. Easy SQL (Basic) Max Score: 10 Success Rate: 95. Welcome to my channel! In this video, I walk you through solving key SQL challenges from HackerRank. Learn to tackle SQL challenges on LeetCode and HackerRank for data engineering interviews with efficient strategies, practice tips, and problem count advice. 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. Solving practice questions is the fastest way to learn any subject. Each solution is designed to demonstrate various SQL techniques and best practices, with clear comments to enhance understanding. 🔥SQL stands for Structured Query Language. SELECT CONCAT('There are a total of ', COUNT(*), ' ',LOWER(Occupation), 's Easy SQL (Basic) Max Score: 20 Success Rate: 96. However, in the above query I have tried sticking to using standard SQL. Aug 4, 2023. Easy SQL (Basic) Max Score: 20 Success Rate: 98. This collection serves as a practical guide for anyone looking to improve their SQL skills while tackling real Meesho_HackerRank_SQL_Interview_Question. Hard. it’s 100% free, and features 50+ SQL questions from real FAANG SQL interviews! Effective solutions to hackerrank. hackerrank. I'm ok with the paid subscriptions, as long as it is a top-quality resource. HackerRank is a platform for competitive coding. Conquer your next data 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. This platform is at the top of my personal list for practice. 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. This repository is dedicated to practicing SQL queries using HackerRank problems. 108 lines (96 loc) · 1. Starts in. Breadcrumbs. 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. 83%. I'm not in a FAANG company but at a top software company in my country (Norway) working as a Data Engineer. 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. 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. After some research, I've found that these are the most common SQL resources for interview prep. 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. To master this powerful language, consistent practice is crucial. 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. Alternative Queries. 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. 82%. I am not comfortable using CTE. Top Competitors. Sign in. com practice problems in C++, python and SQL - Hackerrank_solutions/SQL/Top Competitors. 65%. I also tried stratascratch and it's all good, everything is as you expect. ” I used the MySQL option on the platform to Top Earners. Interviews can be hands-on, with problems to solve on CoderPad, HackerRank, or even a whiteboard session. Tweet it Share it. 39. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Whether you're a beginner or an experienced developer, you'll find solutions and explanations for everything from basic queries to advanced data manipulation. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. to. ⚡ 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. Advanced Select. We use cookies to ensure you have the best browsing experience on our website. select sql oracle hackerrank challenges oracle-database hackerrank-solutions sql-challenges Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Share Contribute to cholu6768/SQL-Hackerrank-Practice-Questions development by creating an account on GitHub. 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. 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. 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. Effective solutions to hackerrank. No. 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. The output is in a "code-ish" format. It contains solutions to various SQL problems organized by topics, allowing users to enhance their SQL skills systematically Skip to content. About. Skip to content. Contact. 99%. com. Open in app. Join over 23 million developers in solving code challenges on HackerRank, Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. I am looking for something similar to practice SQL questions as well. Easy SQL (Advanced) Max Score: 25 Success Rate: 96. Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. 1. 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. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions pl/sql tutorial : https://youtube. 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. It's frustrating. Code written during programming contests and practice challenges in hackerrank. Find and fix vulnerabilities You signed in with another tab or window. HackerRank certifications test technical skills through hands-on, standardized assessments shaped by input from over 2,000 companies [1]. 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. SELECT COUNT(CITY) - COUNT(DISTINCT CITY) FROM STATION; SQL, the Structured Query Language, is a cornerstone skill for anyone working with data. 😱 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. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Info; Rules; Scoring; Info. This video will help you to improve your coding skills in SQL_____ This repository tracks my progress through the SQL course on HackerRank. 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. Sign in Product Top. Appreciate any tip and help. r/SQL Contribute to greygenos/HackerRank-SQL-Solutions development by creating an account on GitHub. Wannabe Oracle dev here. Subdomains. There are a total of 58 problems of varying difficulty level that test different concepts. 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. Find and fix 005. If you guys have any doubt feel fr Answers to coding challenges on HackerRank - SQL and Python - Phani10/HackerRank-Practice. 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. Hi all! So I've been given the HackerRank Data Analyst test for interview, for preparation I've been doing SQL practice on HackerRank. Occupations. Perfect for beginners and seasoned developers alike! - rutikekre/SQL_Study_Material HackerRank SQL Practices Solutions with MS SQL Server - devhns/HackerRankSQLPractices. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. In this playlist, we are going to solve all the hackerRank problems related to aggregation functions. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming 96. com practice problems using Python 3, С++ and Oracle SQL - lislema/python-practice. It serves as a platform to enhance my SQL skills and share my solutions with others. Verify your SQL Skills. 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. Since HackerRank website doesn't allow 'create table' commands, I found a way around this by using 'select into #temptable" commands. This playlist will have the solutions which are very ea Hard SQL (Advanced) Max Score: 50 Success Rate: 78. 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. - 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. sqlPractice / Meesho_HackerRank_SQL_Interview_Question. Sign in Top Earners: SQL: 9: Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 1 lines (1 loc) · 56 Bytes. Reload to refresh your session. SQL is a standard language for storing, mani Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Blame. Top. Revising the Select Query I. . 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. 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. Top Earners: Click Here: 9: Weather Observation Station 13: You signed in with another tab or window. Find and fix vulnerabilities Actions. Top Earners – HackerRank You signed in with another tab or window. Automate any workflow Codespaces This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Overview of HackerRank Certifications. GeeksforGeeks. Keep reading for our top picks. The case (uppercase or This repository contains solutions to all the HackerRank SQL Practice Questions - Pavith19/HackerRank-SQL-Challenges-Solutions. Link to Challenge - https://www. SQL (Basic) SQL (Intermediate) SQL (Advanced Hard SQL (Advanced) Max Score: 50 Success Rate: 78. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for high-level query design and development. 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. 50%. 60%. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. 02%. The PADS. 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. This was curated after solving all 58 questions, and achieving a score of 1130 points Top Competitors 50. Sign up. Programming Problems and Competitions :: HackerRank Something went wrong! I am trying to give an SQL interview through HackerRank. 48%. It contains solutions to various SQL problems organized by topics, allowing users to enhance their SQL skills systematically. You switched accounts on another tab or window. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. LeetCode and HackerRank are online Query all columns for all American cities in the CITY table with populations larger than 100000. File metadata and controls. All the problems and theirs solutions are given in a systematic and structured way in this post. Whether you’re prepping for an interview or This repository contains my solutions to all the HackerRank SQL Practice Questions. We define an employee’s total earnings to be their monthly salary*months worked, HackerRank SQL Practice- Advanced Select. This video is perfect for beginners About. You signed in with another tab or window. 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. Besides HackerRank, practicing on DataLemur is a good bet – has 50+ free SQL interview questions. Automate any workflow Packages. Settings. This repository contains my solutions to the top 50 LeetCode SQL challenges implemented using PySpark DataFrame and PySpark SQL. 03%. ; Medium: Intermediate-level SQL challenges. Q. Reply reply More replies. 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. 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. 66%. Nikhitha Perapola. Take a look, play and have fun with this. 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. Basic Join. Advanced Join. 27%. 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. Solved SQL Questions from Hackerrank. Medium Max Score: 30 Success Rate SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. File metadata and Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Contribute to cholu6768/SQL-Hackerrank-Practice-Questions development by creating an account on GitHub. Rules. SQL is a standard language for storing, mani Solved SQL Questions from Hackerrank. Medium Max Score: 30 Success Rate Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. In this post, we will be covering all the solutions to SQL on the HackerRank platform. Host and manage packages Top. Copy path. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in a MySQL environment. 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. Sign in Product Actions. As you might know, SQL, or 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. Status. The Best Places to Practice SQL Online. Each solution includes a brief explanation of the problem and my approach to solving it. Skills. Run . This repository tracks my progress through the SQL course on HackerRank. Accelerate your Job Search. These 90-minute tests allow freshers to demonstrate practical expertise, offering a way to connect academic knowledge with real-world job demands. Easy SQL (Advanced) Max Score: 25 Success Rate: 97. Do The next thing you need to know is where to practice SQL online. ; Advanced: Expert-level problems and more complex You signed in with another tab or window. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - 07Agarg/HackerRank_Solutions. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. 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. 📌 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. 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. SQL (Basic) SQL (Intermediate) SQL (Advanced Why this video is 7. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. sql at master · marinskiy/HackerrankPractice 170+ solutions to Hackerrank. ; Well-documented solutions: Each solution includes a clear explanation of the approach and the query used to solve the problem. 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. 6: Binary Tree Nodes: Solution: We can write this query using simple case when statements. 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. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to 1. A well-designed and interactive learning environment is essential for understanding Problem. Welcome to my SQL Basics Practice Series! In this video, learn how to register on HackerRank, enroll in coding challenges, and navigate its sections. 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. This is the only video you will need to improve you Exactly, practice makes perfect. You signed out in another tab or window. The CITY table is described as follows: In this video, we will be solving SQL problems on Hackerrank. Sign in Product Top Earners: SQL: 9: Weather Observation Top Earners. Latest commit History History. 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. Join over 23 million developers in solving code challenges on HackerRank, These concepts introduce more complex features and functionalities of SQL. Code. Order Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. To practice this SQL translation skill can also check out the 60+ question on DataLemur. Write better code with AI Security. Top 1% Rank by size . 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. Challenge Link - https://www. 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. 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. SQL is a standard language for storing, mani Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Solved. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Raw. To get the table values, I copied them from the query window and pasted them into CSV files for upload to the DB. We use cookies to 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners. GeeksforGeeks is a versatile platform for both beginners and experienced developers, offering hands-on coding practice to improve skills across various levels. 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. 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. Right Menu Left Menu. * Thus, if the submission has a The repository is organized as follows: Easy: Beginner-level SQL challenges. Draw The Triangle 1 The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. Solve SQL query questions using a practice database. 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. sql. View Schema patients. hackerrank where LAT_N is the northern latitude and LONG_W is the western longitude. This is part 1 of the whole series. 95%. Inside you will find the solutions to all HackerRank SQL Questions. But as others said. Hackerrank is a good platform to learn SQL from. Subqueries and Nested Queries. SQL Database. The CountryCode for America is USA. Medium. 170+ solutions to 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. 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. ; Hard: Advanced-level SQL challenges. I don't know how Leetcode is so I can only speak of Hackerrrank. Navigation Menu Toggle navigation. In this post, I’ll share my solutions to some SQL problems on HackerRank, categorized as “Easy. 83 KB main. Sign in Product GitHub Copilot. Basic Select. Aggregation. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Each challenge offers a unique opportunity to sharpen your abilities and boo. Draw The Triangle 2. mwjq ulclgr ycl ewvu onkf zhhuy whkrap tlva knpynt flqdbi