Hackerrank sql practice File metadata and HackerRank SQL Solutions. Rules The creator of this contest is solely responsible for setting and communicating the eligibility requirements associated with prizes awarded to participants, as well Jan 7, 2025 · Therefore, interested contenders can utilize the below given Java, C++, PHP, Python, SQL, JavaScript Papers. Advanced Join. g. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Oct 22, 2024 · SQL (Structured Query Language) is a powerful tool used for managing and manipulating relational databases. HackerRank SQL Certifications. We use cookies to · This Repository contains all the solutions of HackerRank various tracks. Review Profile. Connect With Me Apr 22, 2021 · Click here to see solutions for all Machine Learning Coursera Assignments. Last name. You may add any prizes that you would like to offer here. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for This repository contains a collection of SQL practice exercises from HackerRank, covering a range of topics and difficulty levels. sql. 1. Settings. Query all columns for all American cities in the CITY table with populations larger than 100000. 83 KB main. Write a query to print total number of unique hackers who made at least submission You signed in with another tab or window. Updated Aug 3, 2024; vinibrsl / hackerrank-sql. Basic Join. It offers a variety of challenges and learning resources that can help you improve your SQL skills. patient_id: INT: first_name: TEXT: last_name: TEXT: gender: CHAR(1) birth_date: DATE: city: TEXT: province_id: CHAR(2) Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. Curate this topic Add this topic to your repo To associate your repository with the Nov 9, 2023 · Hackerrank SQL Practice - Free download as Word Doc (. Amber’s conglomerate corporation just acquired some new companies. Note: You can use IBM Bluemix and Watson to build your application. The contest creator holds HackerRank harmless from and against any and all claims, losses, damages, costs, awards, settlements, orders, or fines. Jul 22, 2023 · Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. SQL (Basic) Skills Certification Test 30 min. Scribd is the world's largest social reading and publishing site. Subdomains. It took me a bit more About. Basic Select. doc / . Code Issues Pull requests HackerEarth is conducting a 6-hour SQL challenge on 7th September 2017. Please read our cookie policy for more information about how we use cookies. Whether you are a beginner or an experienced coder, this repository aims to provide clear and efficient solutions to help you improve your problem-solving skills. Prizes. Code Issues Pull requests SQL problems from HackerRank using This repository contains solutions to all the HackerRank SQL Practice Questions - Pavith19/HackerRank-SQL-Challenges-Solutions SQL. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. It allows developers and data professionals to practice and refine their SQL skills through hands-on problems. Easy SQL (Advanced) Max Score: 25 Success Rate: 96. For the sake of candidates, we have given the complete material in a very clear manner. Leaderboard. If you’re a data scientist or software engineer on the job market, the ability to demonstrate your database skills in an SQL Mar 6, 2024 · PL/SQL Fundamentals: PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. Revising the Select Query I. Only Ashley, Julia, and Belvet have Marks > 75. If there is 📜 License. 66%. · sql hackerrank hackerrank-challenges hackerrank-sql practice-sql hackerrank-solutions-sql Updated Jun 12, 2023; SQL; ThLeoni / HackerrankProblems-SQL Star 1. Right Menu Left Menu. Weather Hackerrank SQL Practice Questions - P7. It serves as a platform to enhance my SQL skills and share my solutions with others. Why Practice SQL? Practicing SQL through real-world examples helps Jan 7, 2023 · 1. Explanation. Code directly from our platform, which supports over 30 languages. 1 of 6 Review the problem statement Each challenge has a problem statement that includes sample inputs and outputs. We use cookies to Introduction to SQL. Medium. Certificate: SQL Verified. We use cookies to ensure Nov 25, 2024 · Practice Aggregation Queries: Master GROUP BY, HAVING, and aggregate functions like SUM(), MAX(), COUNT(), and AVG(). Blog; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. The solutions cover a wide range of SQL challenges, Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Choose from different levels of difficulty and topics, such as select query, join, and weather observation station. Easy SQL (Advanced) Max Score: 25 Success Rate: 97. These solutions cover a wide range of topics including algorithms, data structures, and more. Tổng kết Bài viết này mình viết trước giới thiệu về HackerRank, bài viết sau mình sẽ chia sẻ Complex joins-This competency includes using INNER, LEFT, RIGHT, and FULL joins on multiple tables and using joins for many-to-many relationships. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Topics Solutions to HackerRank practice, tutorials and interview preparation problems with Python, SQL, C# and JavaScript - nathan-abela/HackerRank-Solutions Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. CTE is a temporary result set that you can reference within a SELECT, INSERT, UPDATE, or DELETE statement and many more with aggregation functions and Window functions in SQL. We use cookies to ensure you Saved searches Use saved searches to filter your results more quickly Mar 31, 2024 · Inside you will find the solutions to all HackerRank SQL Questions. Adi 170+ solutions to Hackerrank. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. Aggregation. Test your SQL skills with HackerRank's interactive challenges. 50%. SQL. We use cookies to ensure you have the best browsing experience on our website. : number of characters in the name). Basic SQL Queries Aug 11, 2023 · HackerRank SQL Practice- Advanced Select. Verify your SQL Skills. Whether you’re prepping for an interview or This article will delve into Hackerrank’s SQL Practice Questions, specifically P7, categorized under Easy difficulty. Let’s dive into what SQL is, basic skills, career opportunities, and websites where you can These concepts introduce more complex features and functionalities of SQL. Stars are welcome · Report a bug · Request a feature. Practice coding challenges & Mar 14, 2023 · Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL Topics. Solve Challenge. Jul 4, 2024 · This repository contains solutions to HackerRank SQL challenges ranging from beginner to advanced levels. mysql practice solutions hackerrank problem-solving hackerrank-solutions hackerrank-sql hackerrank Medium SQL (Intermediate) Max Score: 20 Success Rate: 96. Updated Jul 18, 2020; Python; jbrdge HackerRank is a competitive programming platform that offers a variety of challenges and exercises across different domains, including SQL. ; Hard: Advanced-level SQL challenges. If you look at the last three characters of each of their names, Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 02%. Whether you’re a budding data analyst, an experienced software engineer, or a database administrator, mastering SQL through practical exercises can significantly enhance your problem-solving skills. The questions can be answered in 4 different types of SQL flavours and I decided to answer them using MySQL. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. SQL Database. Take a look, play and have fun with this. SQL window functions are a powerful feature that lets us extract meaningful insights from This edition of SQL Practice Problems assumes that you have some basic background knowledge about relational databases and tables. Editorial. Reload to refresh your session. Feb 11, 2022 · II. Jan 8, 2025 · Welcome to my HackerRank SQL Solutions repository! This repository contains my solutions to 58 SQL problems from HackerRank. Weather Observation Station 18. With practice, understanding common SQL challenges, and mastering fundamental Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. It will be open for 24 hours, but make sure you start early because the tiebreaker is the time from the beginning of the contest. I took the HackerRank test on 10/11/2023. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to Feb 27, 2023 · Using MIN and MAX Functions — — Note — All these codes have been tested against HackerRank’s MySQL Interface and might not work in other interfaces such as that of Oracle or DB2. It then Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 15 Days of Learning SQL. Welcome to the HackerRank SQL Solutions repository! 🚀 Dive into a curated collection of SQL queries crafted to tackle a range of challenges. SQL Solutions: A collection of SQL queries that solve various database-related problems on HackerRank. Click here to see more codes for NodeMCU ESP8266 and similar . and tables using the field. - LinconDash/Hackerrank-SQL-Solutions Oct 19, 2021 · Current projects at work require more SQL skills, so I took the time to brush up my SQL knowledge using the HackerRank coding challenges platform. This repository tracks the progress of a user through the SQL course on HackerRank. HackerRank offers an SQL Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Subdomain Challenge Score Difficulty Solution; Basic Select: Revising the Select Query I: 10: Easy: Solution. Hackerrank-SQL-Practice This repository is dedicated to practicing SQL queries using HackerRank problems. Feel free to use, share, and improve upon it! 🚀 Level up your SQL skills with these HackerRank challenges and become a coding master! 🚀 Apr 13, 2023 · This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. The top 5 participants will receive HackerEarth t-shirts. This competency area includes the understanding of basic concepts like Blocks, Variable Declaration, and Cursor. Each problem is solved using SQL queries, and the solutions are organized for easy reference. From software engineering to data analytics, HackerRank is one of the best platforms for practicing coding interview questions. The problems are organized by topics to facilitate systematic learning and practice. Activities involved: Setting up a database environment and understanding SQL’s purpose and use cases. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. Demo bài tập SQL level Easy Demo bài tập SQL level Medium Demo bài tập SQL level Hard 4. Advanced Select. We use cookies to ensure you have Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. We use cookies to ensure Jul 4, 2024 · The repository is organized as follows: Easy: Beginner-level SQL challenges. PL/SQL is an extension of SQL language that combines the data manipulation power of SQL with the processing power of procedural language to create super-powerful SQL queries. Each folder contains MySQL queries and explanations for easy, medium and hard challenges. Top. Sep 27, 2022 · This repository contains solutions to Hackerrank practice problems with SQL. There are many different SQL challenges on HackerRank is the market-leading coding test and interview solution for hiring developers. The certificate can be viewed here. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. txt) or read online for free. Problem. We use cookies to ensure you have the Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. , MySQL, PostgreSQL) and connect to it using a SQL client. 108 lines (96 loc) · 1. Key Competencies: This repository is dedicated to solving SQL challenges from HackerRank. Latest commit History History. 83%. Status. Sep 6, 2020 · Problem 7: Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. We use cookies to ensure you Nov 2, 2023 · Explore the best digital platforms to practice SQL and master your expertise. Note: In order to be able to claim your prizes, your HackerEarth profile · Add a description, image, and links to the hackerrank-sql-intermediate topic page so that developers can more easily learn about it. 2. SQL (Basic) Skills Certification Test. e. Breadcrumbs. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution · sql leetcode hackerrank sql-query leetcode-solutions leetcode-questions hackerrank-solutions sqlzoo leetcode-practice sqlzoo-solutions hackerrank-sql sql-practice datalemur datalemur-solutions. The CountryCode for America is USA. Learn and improve your SQL skills. HackerRank . Mar 1, 2016 · Julia conducted a days of learning SQL contest. pdf), Text File (. Medium SQL (Basic) Max Score: 25 Success Rate: 98. This project is open-source and available under the MIT License. Solve problems related to drawing triangles, printing prime numbers and more on HackerRank. 1 Revising the SQL (Intermediate) SQL (Advanced) Difficulty. Skills. Alternative Queries. - Anuli12/SQL-Practice-Exercises-from-HackerRank Dec 21, 2022 · The various MySQL certifications cover topics such as SQL, data modeling, database administration, connectors, APIs, schema objects, and transactions. 76%. The solutions cover a wide range of SQL challenges, Test your SQL skills with 15 days of learning and three challenges of different difficulty levels. 85%. Oct 11, 2023 · Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. 3 days ago · Which of the following statements about the wait-die Scheme? It is a Deadlock prevention mechanism; If the older transaction needs some resource locked by a newer transaction then the older transaction will wait. Solved. These folders contain solutions for all easy, medium and Aug 12, 2022 · SQL interview questions have been a critical component of technical hiring for decades. We use cookies to · My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms. python3 hackerrank-python hackerrank-solutions hackerrank-algorithms-solutions sql-solution hackerrank-sql-solutions. docx), PDF File (. HackerRank’s SQL practice suite has hundreds of questions SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. 68%. Apr 13, 2016 · Join the contest and write queries fast to climb the leaderboard. ; Advanced: Expert-level problems and more complex Prepare for you upcoming programming interview with HackerRank's Ultimate Interview Preparation Kit We use cookies to ensure you have the best browsing experience on our website. Draw The Triangle 2. Contact. Binary Tree Nodes. Reason: Fundamental setup and understanding are necessary to start writing SQL queries. We use cookies to ensure Jun 20, 2020 · where LAT_N is the northern latitude and LONG_W is the western longitude. Mar 31, 2020 · SQL Practice Problems: 57 beginning, intermediate, and advanced challenges for you to solve using a “learn-by-doing” approach Guru, Upwork, and HackerRank; Oct 11, 2023 · Hackerrank-SQL-Basic-Skills-Certification-Test-Solutions. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Whether we are beginners or experienced professionals, practicing SQL exercises is important for Oct 25, 2023 · Access to solutions may require a premium subscription, but having access to the tasks themselves is still valuable for practice. Code These concepts introduce more complex features and functionalities of SQL. You switched accounts on another tab or window. Proceed. New Companies. Topics Covered Dec 22, 2024 · Practice SQL querys with an online terminal. We use cookies to ensure Jul 5, 2024 · Python Solutions: A collection of solutions to HackerRank problems solved using Python. We use cookies to ensure SQL (Intermediate) SQL (Advanced) Difficulty. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice This repository contains all the solutions to the SQL questions listed in the Hackerrank platform , can be used by coders for reference purpose. Courses; Pricing; For Students; It also provides a supportive community for Sep 5, 2024 · In this article, I am going to share HackerRank SQL Solutions with you. . We use cookies to Sep 5, 2024 · Passing the HackerRank SQL Basic Certification is an excellent way to validate your SQL skills and showcase them to employers. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. Discussions. It contains solutions to various SQL problems organized by topics, such as basic queries, aggregation, joins, and more. Example Task: Install a relational database (e. Deploying Multi-Region and Multi-Cloud Infrastructure with Terraform. Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. The STATION table is Feb 14, 2023 · This is for your Practice, In this you will get problems based on what you learn today. Mar 31, 2024. Jan 2, 2022 · This is a short practice test to brush up your knowledge in SQL. Contenders have Dec 23, 2024 · Problem. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. Each file corresponds to a specific Sep 5, 2024 · Learn how to ace the HackerRank SQL Basic Certification exam with 5 powerful solutions to common problems. Sign up for SQL_Assignments_Batch-2 now. These solutions showcase different SQL techniques and Verify your SQL Skills. Nikhitha Perapola. You signed out in another tab or window. It includes solutions to 25 questions in the SQL (Basic)/ SQL (Intermediate) Select Skill in the Easy and Medium Diffic 5 days ago · Problem. Star 107. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 Contains solutions for all Hackerrank Sql problems - Hackerrank-Sql-solutions/Basic Join -- Challenges at main · vmlrj02/Hackerrank-Sql-solutions 5 days ago · Problem. HackerRank and StrataScratch are the These are just a few examples of the HackerRank SQL questions available on the platform. You can view challenges of the previous SQL contest Simply SQL and also practice at SQL domain to prepare yourself for the contest. Focus on applying these functions with Mar 19, 2024 · This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. Skip navigation. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. 💪 Exercices. These problems are generated by HackerRank, but the solutions are provided by Niyander. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Sample Output. We use cookies to ensure you have the best Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Submissions. Copy path. Unsolved. 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 Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Meesho_HackerRank_SQL_Interview_Question. By practicing these questions and exploring other SQL challenges on HackerRank, you can enhance your SQL skills and become more This collection provides solutions to the HackerRank SQL Certification Test problems. Becoming a SQL master involves purposeful practice. Hard. Include most of SQL practice problems and corresponding solutions on HackerRank - pyusbos/HackerRank-Practice-SQL Dec 21, 2024 · There are many websites and portals to practice SQL for free or for a small fee. Solve SQL query questions using a practice database. sql hackerrank hackerrank-challenges hackerrank-sql practice-sql hackerrank-solutions-sql Updated Jun 12, 2023; SQL; KursadKalender / HackerRank-SQL-Challenges-Solutions- Star 0. Share this post. ; Medium: Intermediate-level SQL challenges. View Schema patients. Click here to see more codes for Raspberry Pi 3 and similar Family. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Find SQL solutions to HackerRank problems organized by difficulty level: Easy, Medium, and Hard. ; If you are interested in adding more Hackerrank problem solutions, please feel free to Nov 4, 2023 · Sample Input. sqlPractice / Meesho_HackerRank_SQL_Interview_Question. Personal. Saved searches Use saved searches to filter your results more quickly This repository contains solutions to Hackerrank practice problems in SQL, C++, Java Python and Problem Solving (Data Structures and Algorithms). Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Start hiring at the pace of innovation! Skip to content. Apr 30, 2021 · Soluções dos desafios de SQL do site HackerRank - Resolvido com MS SQL Server. Answer: This query performs a join operation between the . Round Verify your SQL Skills. This repository contains my solutions to various SQL problems from the HackerRank SQL course. 48%. For example, if there are three records in the table with CITY values ‘New York’, ‘New York’, Oct 27, 2023 · In this article, we’ll explore the 9 best websites to practice SQL, HackerRank offers a series of SQL challenges and competitions that are suitable for intermediate and You signed in with another tab or window. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Will be adding SQL Advanced Questions soon in a separate repo. Sep 6, 2020 · where LAT_N is the northern latitude and LONG_W is the western longitude. Problem solved-5. , a, e, i, o, and u) as both their first and last characters. Mar 14, 2022 · This repository includes my answers for the SQL practice questions provided by HackerRank. Blame. I solved these problems to improve my SQL skills and prepare for technical This repository contains solutions to various SQL challenges from HackerRank. Mar 12, 2024 · The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Type of Triangle. Create a HackerRank account · My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms. 84%. 03%. Jun 10, 2024 · In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. 15%. Find out the tips, common mistakes, and FAQs to prepare for the certification. Java and SQL practice. Each solution has comments and optimizations to help you improve your SQL skills and Sep 5, 2024 · In this article, I am going to share HackerRank SQL Solutions with you. Each of the companies follows this hierarchy: Given the table schemas below, write a query to print the company_code, founder name, Dec 1, 2023 · Advantages of using CTE. 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. Prizes are optional. First Name. The solutions are written in SQL and are well-commented to provide clarity. However, I’ve added some beginner level questions to gradually introduce the various parts of the SQL Select statement for Jan 24, 2024 · Write a SQL query to determine the average monthly rating for each product. Top Competitors. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Adityaraj Ray. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Dec 4, 2024 · 10 Best Platforms to Practice SQL. Unions-This competency includes using unions to display Sep 6, 2020 · Query a list of CITY names from STATION for cities that have an even ID number. We use cookies to ensure you have the best Jul 22, 2024 · This repository contains solutions to all the HackerRank SQL Practice Questions - Pavith19/HackerRank-SQL-Challenges-Solutions Feb 25, 2023 · HackerRank SQL Question 10 Difficulty Level — Easy to Medium Question: Query the list of CITY names from STATION which have vowels (i. 99%. Each solution includes a brief explanation of the problem and my approach to solving it. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Certification Test. Run . Register here for your free trial of IBM Bluemix and you can read about Waston Developer Cloud here. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. Updated Jul 18, Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. The repository contains 6 folders. These concepts require a deeper understanding of SQL and its ecosystem. Ashley Julia Belvet. Accelerate your Job Search. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Jul 18, 2024 · Find solutions to all the HackerRank SQL Practice Questions organized by difficulty and domain. Ok | Prepare; Certify; Compete Sep 14, 2023 · In this article, we present 11 practice exercises involving SQL window functions, along with solutions and detailed explanations. 7 Tips giúp bạn sớm hoàn thành tất cả 58 SQL challenges của HackerRank Tip 1: Chuẩn bị kiến thức nền tảng về SQL Nếu bạn là người chưa biết gì về SQL thì trước khi Welcome to the HackerRank Solutions repository, where you can find comprehensive solutions to various HackerRank problems implemented in SQL. Our selected platforms provide structured challenges, real-world scenarios, and Jun 15, 2024 · The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges LeetCode’s SQL questions can be more challenging and may better prepare you for complex data engineering interviews, but HackerRank’s format can help you practice translating business Solutions to Problems For SQL on Leetcode, Hackerrank & DataLemur - mdh266/SQL-Practice Feb 26, 2023 · HackerRank SQL Question 16 Difficulty Level — Easy to Medium Question: Query the Western Longitude (LONG_W) for the largest Northern Latitude (LAT_N) in STATION that is less than. Blog Oct 10, 2022 · HackerRank is a site that allows you to practice your skills in many different languages, and one of the languages provided is SQL. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. It enables users to combine SQL statements with procedural constructs, providing capabilities such as variables, loops, conditional statements, and exception handling. ; Well-documented solutions: Each solution includes a clear explanation of the approach and the query used to solve the problem. Aug 4, 2023. - MayankOps/HackerRank-SQL-Certification-Test-Solutions Mar 13, 2024 · The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. Easy. sql: Basic Select: Dec 7, 2023 · HackerRank is a great resource for developers who want to learn or practice SQL. SQL (Structured Query Language) has become an indispensable skill in the data-driven world. Print the results in any order, but exclude duplicates from the answer. xpqltocagarnczxkypqqjewhwguukpyccfbtkhawqezxskhtexgdlzlv