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<h1 class="usa-hero__heading">Hackerrank sql practice ques. We use cookies to ensure you have .</h1>
<div class="hero-text">Hackerrank sql practice ques Jun 22, 2024 · Through this quiz, you have likely identified areas where you excel and areas where you may need further study and practice. Join me as I tackle challenges Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Apr 30, 2021 · Soluções dos desafios de SQL do site HackerRank - Resolvido com MS SQL Server. Then, check how you did by comparing your solution to ours. Blame. We use cookies to ensure you This repository contains a collection of SQL practice exercises from HackerRank, covering a range of topics and difficulty levels. Hands-on practice is the Practice SQL queries by solving problems available on LeetCode, HackerRank, CodeSignal, and SQLZOO - JuhyeokSin/SQL_Practice Dec 23, 2024 · Problem. Revising the Select Query I. New Companies. Use online platforms: LeetCode, HackerRank, and StrataScratch offer SQL practice problems and mock interviews. Going through them greatly improved my ability to 4 days ago · SQL Exercises, Practice, Solution: Structured Query Language (SQL) is a language used to view or change data in databases. This set of exercises is designed to challenge your SQL muscle and help internalize data wrangling using window functions in SQL. Simple SQL Solutions for each code You signed in with another tab or window. 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. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution 1 day ago · GenC Next SQL Questions 2025. com practice problems using Python 3, С++ and Oracle SQL - HackerrankPractice/SQL/01. 108 lines (96 loc) · 1. Each solution is provided in a separate file, along with the corresponding question's name and description. Sep 14, 2023 · In this article, we present 11 practice exercises involving SQL window functions, along with solutions and detailed explanations. Ok | Prepare; Certify; Compete Jan 2, 2024 · The Ugly. Mar 31, 2024 · Inside you will find the solutions to all HackerRank SQL Questions. We use cookies to ensure you have the best browsing These are just a few examples of the HackerRank SQL questions available on the platform. Continent) and their respective average city populations Sep 5, 2024 · In this guide, we’ll break down 5 powerful solutions to help you solve common problems in the certification exam, giving you the confidence to pass with flying colors. Tweet it Share it. Easy. Students contains two columns: ID and Name. Each solution is crafted to address a specific SQL problem from the HackerRank SQL challenge set, covering Apr 1, 2023 · The contest creator holds HackerRank harmless from and against any and all claims, losses, damages, costs, awards, settlements, orders, or fines. We use cookies to ensure you You signed in with another tab or window. Try to solve all SQL practice problems. Automate any workflow Packages. If you look at the last three characters of each of their names, there are no Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Crack SQL Interview in 50 Qs. Whether you're a beginner or an experienced developer, you'll find solutions and explanations for everything from basic queries to advanced data manipulation. And if you want more practice, Sep 19, 2024 · Hackerrank is a great platform to practice SQL queries. These solutions showcase different SQL techniques and You signed in with another tab or window. This competency area includes the understanding of basic concepts like Blocks, Variable Declaration, and Cursor. hackerrank hackerrank-python hackerrank-solutions hackerrank-sql. Run . They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. Sep 5, 2024 · In this article, I am going to share HackerRank SQL Solutions with you. From this section you will be getting multiple choice questions in section 1 of hiring test. SQL window functions are a powerful feature that lets us extract meaningful insights from  · 170+ solutions to Hackerrank. sql: Basic Select: SQL (Intermediate) SQL (Advanced) Difficulty. SQL Database. A basic understanding and good Answers to coding challenges on HackerRank - SQL and Python - Phani10/HackerRank-Practice. Basic to intermediate SQL topics 50 essential SQL questions Best for 1 month of prep time; Award. Prizes are optional. These problems are generated by HackerRank, but the solutions are provided by Niyander. We use cookies to ensure Sep 5, 2024 · The HackerRank SQL Basic Certification is designed to test fundamental SQL concepts, such as querying databases, filtering data, and performing basic joins. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms. It serves as a platform to enhance my SQL skills and share my solutions with others. Please refrain from discussing strategy during Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 15%. python3 hackerrank-python hackerrank-solutions hackerrank-algorithms-solutions sql Jan 11, 2025 · We have collected a variety of SQL practice problems for each and every topic of SQL. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. sqlPractice / Meesho_HackerRank_SQL_Interview_Question. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Adityaraj Ray. Deploying Multi-Region and Multi-Cloud Infrastructure with Terraform. Mar 31, 2024. Advanced Select. 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. Contact. By using this data, I was given questions to answer by writing SQL queries. Jul 18, 2024 · This repository contains my solutions to all the HackerRank SQL Practice Questions. Sample Nov 4, 2023 · Sample Input. Latest commit History History. We use cookies to Saved searches Use saved searches to filter your results more quickly Dec 26, 2023 · This is our SQL practice course that offers exercises on different SQL topics: WHERE, ORDER BY, JOINs, GROUP BY, HAVING, and more. Hard. Sep 4, 2020 · Difficulty : Easy. com practice problems using Python 3, С++ and Oracle SQL. Prizes. SQL Exercises, Practice, SQL Hackerrank practice exercises. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Solved. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. We use cookies to Easy SQL (Advanced) Max Score: 25 Success Rate: 97. You signed out in another tab or window. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. The questions are of three levels of SQL Codes of SQL Practice Module of Hackerrank. Subdomain Challenge Score Difficulty Solution; Basic Select: Revising the Select Query I: 10: Easy: Solution. Friends contains two columns: ID and Friend_ID (ID of the ONLY best friend). Ashley Julia Belvet. Each challenge offers a unique opportunity to sharpen your abilities and boo Practice queries on Select, Where, Limit, Order by, Aggregates, Group by, Joins, Sub-queries and Case expressions. Click here to see more codes for NodeMCU ESP8266 and similar Family. 1 of 6 Review the problem statement Each challenge has a problem statement that includes sample inputs and outputs. The solutions cover a wide range of SQL challenges, Oct 18, 2024 · SQL PRIMARY KEY Keyword; To succeed in Atlassian SDE 1, practice coding problems (especially data structures and algorithms), understand system design basics, familiarize yourself with Atlassian's products, and  · This repository is for learning SQL and solving the hackerrank problems as presented on sql. Practice You might like to solve practice problems on HackerRank. HackerRank Technical MCQs involves question from different topics of computer programming such as Data Structures, OOPS, Networking, SQL, etc. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. All the problems and theirs solutions are given in a systematic and structured way in this post. Guestbook. Find and fix vulnerabilities Codespaces. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. You may add any prizes that you would like to offer here. The certificate can be viewed here. It contains solutions to various SQL problems organized by topics, allowing users to enhance their SQL skills systematically. Contribute to apinto25/hackerrank_sql_practice development by creating an account on GitHub. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution: You are given three tables: Students, Friends and Packages. Solutions are for Oracle DB. Type of Triangle. Settings. SQL window functions is considered a ‘hard’ concept in SQL. Why should I take this test? At HackerRank, we have worked with over 1500+ companies and conducted more than 20 Million developer assessments. Skip to content. Java and SQL practice. Oct 29, 2024 · SQL, the Structured Query Language, is a cornerstone skill for anyone working with data. 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. Linux Shell. They are unnecessarily long, and the Feb 14, 2023 · This is for your Practice, In this you will get problems based on what you learn today. MongoDB stores all schema and records using a JSON-like syntax and makes use of collections and documents. It is organized into six folders, each containing my solutions for easy, medium and difficult challenges executed in a MySQL environment. mysql practice solutions hackerrank problem-solving hackerrank-solutions hackerrank-sql hackerrank Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. - JawadSher/SQL-Problems-Solutions-HackerRank 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. 49%. Basic Select. Advanced Join. This repository contains all 58 solutions to the HackerRank SQL Practice Questions. 1 Week Preparation Kit. Status. 8223 words 42 min read This repository is dedicated to solving SQL challenges from HackerRank. We use cookies to ensure you have the best browsing experience on our website. Packages contains two columns: ID and Salary Jul 22, 2023 · Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Only Ashley, Julia, and Belvet have Marks > 75. 85%. Medium. sql. Instant dev environments 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. Adi The PM's About. It includes solutions to 25 questions in the SQL (Basic)/ SQL (Intermediate) Select Skill in the Easy and Medium Diffic 170+ solutions to Hackerrank. By practicing these questions and exploring other SQL challenges on HackerRank, you can enhance your SQL skills and become more proficient in Sep 5, 2023 · Here are ten SQL practice exercises for your beginner SQL skills. 06%. Write a query to output all such symmetric pairs in ascending order by the value of X. We use cookies to ensure Oct 11, 2023 · Problem solved-5. Basic Join. We use cookies to ensure you have Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. Toggle navigation. Aggregation. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Jan 2, 2024 · I solved over 150 SQL problems on Leetcode and HackerRank, not including SQL puzzle books. Get ready to excel in SQL-related interviews with comprehensive learning materials and real-world problem-solving examples. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. We use cookies to ensure This repository contains my SQL solutions to HackerRank challenges, organized by difficulty: Easy, Medium, and Hard. Navigation Menu Toggle navigation. Basic Select/018. Higher Than 75 Marks. You switched accounts on another tab or window. Right Menu Left Menu. 2) Optimise Query Performance. View Schema patients. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Easy SQL (Advanced) Max Score: 25 Success Rate: 97. Reload to refresh your session. We use cookies to ensure 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 Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Key courses in this 1 day ago · HackerRank Technical MCQs Test | Domain Test PrepInsta provides you information regarding HackerRank Technical MCQs also known as HackerRank Domain Test on this page. Blog; Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. Spring Boot is an extension of the Spring Framework that helps developers build simple and web-based applications quickly, with less code. These solutions cover a wide range of topics including algorithms, data structures, and more. Easy SQL (Basic) Max Score: 10 Success Rate: 95. You can appear in top tech companies by practicing consistently and precisely every day. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. We use cookies to SQL (Intermediate) SQL (Advanced) Difficulty. GROUP BY is a powerful SQL clause that allows you to create groups of records and then Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Understand indexing: Learn how indexes work and how to create them effectively. What is the HackerRank SQL Basic Certification? 1. Each solution includes a brief explanation of the problem and my approach to solving it. . We use cookies to ensure Nov 16, 2023 · Need to practice your SQL skills? These 10 GROUP BY practice exercises – with explanations and solutions – are a great start!. Sign up for SQL_Assignments_Batch-2 now. 07%. Published on November 5, 2020. Our Skills Effective solutions to hackerrank. To master this powerful language, consistent practice is crucial. Sign in Product Actions.  · 170+ solutions to Hackerrank. Code Issues SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. patient_id: INT: first_name: TEXT: last_name: TEXT: gender: CHAR(1) birth_date: DATE: city: TEXT: province_id: CHAR(2) About. 💪 Exercices. 15 Days of Learning SQL. This Mar 14, 2023 · Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL Topics.  · Level up your SQL skills for interviews! Explore a curated collection of SQL resources, interview questions, answers, PDFs, YouTube channels, websites, and Hackerrank solutions. Binary Tree Nodes. We use cookies to Apr 22, 2021 · Click here to see solutions for all Machine Learning Coursera Assignments. 66%. Preparation Kits View all kits. Share this post. We use cookies to ensure May 29, 2024 · Here are some practice resources we recommend: SQL Practice track – This series includes 10 comprehensive SQL practice courses to sharpen your skills, perfect for those looking for hands-on practice. We use cookies to Jun 1, 2023 · Pivot the occupation column in occupations so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Learn more here. Each solution is accompanied by comments for clarity, showcasing various approaches and optimizations. 99%. Store. Apr 13, 2023 · This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Stars are welcome · Report a bug · Request a feature. The exercise encompasses a range Nov 5, 2020 · Average Population of Each Continent | Easy | HackerRank Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY. Functional Programming. We use cookies to ensure About. The questions ranged from simple calculations to more complex analysis tasks. Remember, mastering SQL is a continuous learning process, and these quiz questions can serve as Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. There can be multiple ways of approaching solution to any problem. 65%. 10 GROUP BY SQL Practice Exercises with Solutions. Solve over 80 SQL exercises using real life case studies. This repository contains solutions to Hackerrank practice problems in SQL, C++, Java Python and Problem Solving (Data Structures and Algorithms). 95%. The sentences used in this language are called SQL Queries. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. SQL Solutions: A collection of SQL queries that solve various database-related problems on HackerRank. SQL. Sample Output. This repository is dedicated to practicing SQL queries using HackerRank problems. 1 Revising the This collection provides solutions to the HackerRank SQL Certification Test problems. Rules. Problem statement: From my experience, understanding the problem statement on HackerRank takes up to 75% of the time allotted for solving a medium- to hard-level problem. Open main menu. Medium SQL (Intermediate) Max Score: 30 Success Rate: 93. Cognizant GenC Next Sql Section is one of the most important section for GenC Next 2025 hiring. HackerRank SQL Practices Solutions with MS SQL Server - devhns/HackerRankSQLPractices 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. Meesho_HackerRank_SQL_Interview_Question. We use cookies to Jul 30, 2023 · HackerRank SQL Practice- Advanced Select. Learn and improve your SQL skills. sql hackerrank hackerrank-challenges hackerrank-sql practice-sql hackerrank-solutions-sql Updated Jun 12, 2023; SQL; KursadKalender / HackerRank-SQL-Challenges-Solutions- Star 0. Top. Articles Works Shiny Snippets Resume About Contact. Ollivander's Inventory. Explanation. Unsolved. sql at master · marinskiy/HackerrankPractice Mar 14, 2022 · This repository includes my answers for the SQL practice questions provided by HackerRank. ; Well-documented solutions: Each solution includes a clear explanation of the approach and the query used to solve the problem. List the rows such that X 1 ≤ Y 1. Starts in. hackerrank hackerearth-solutions hackerrank SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Skills. I took the HackerRank test on 10/11/2023. Solutions for the SQL Practice Sessions on HackerRank. ; If you are interested in adding more Hackerrank problem solutions, please feel free to SQL practice queries written on hackerrank. Take a look, play and have fun with this. We use cookies to ensure you have the best browsing Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Jan 8, 2022 · The contest creator holds HackerRank harmless from and against any and all claims, losses, damages, costs, awards, settlements, orders, or fines. To level up your SQL skills, you can solve advanced SQL interview questions from the real world. - MayankOps/HackerRank-SQL-Certification-Test-Solutions HackerRank SQL Solutions. 74%. This repository tracks my progress through the SQL course on HackerRank. Contribute to th45i4/hackerrank_sql development by creating an account on GitHub. 82%. Medium SQL (Advanced) Max Score: 40 Success Rate: 93. Breadcrumbs. We present a curated list of 12 top-notch platforms that offer a  · 170+ solutions to Hackerrank. Copy path. The questions typically involve retrieving data from Sep 27, 2024 · 1 stories · Enhance your SQL skills with these engaging HackerRank challenges. The Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. The contest creator holds HackerRank harmless from and against any and all claims, losses, damages, costs, awards, settlements, orders, or fines. We are the #1 global leader in developer assessment and helping companies understand and screen technical talent. 03%. Alternative Queries. Please read our cookie policy for more information about how we use cookies. Explore; Problems; Contest; Discuss; Interview. hackerrank hackerrank-python hackerrank-solutions hackerrank-sql Updated Dec 24, 2023; Python Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Prepare to showcase your understanding of SQL concepts, data manipulation, and writing optimized Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. Regex. Summary. Aug 4, 2023. 97%. Databases. We use cookies to HackerRank is a popular platform for practicing coding skills, and this repository is dedicated to solving SQL questions available on HackerRank. So, without wasting any time, let’s jump to the Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Nov 5, 2020 · Post displaying HackerRank sql problem solving questions and solution. There are a total of 58 problems of varying difficulty level that test different concepts. Info; Rules; Scoring; Info. File metadata and MongoDB is a document-based No-SQL database. 48%. Welcome to the HackerRank SQL Solutions repository! 🚀 Dive into a curated collection of SQL queries crafted to tackle a range of challenges. Nikhitha Perapola. Contribute to sanketd96/Hackerrank-SQL-Practice development by creating an account on GitHub. There are 58 free SQL questions on HackerRank and 100 on Leetcode, including 50 free of charge and 50 problems for SQL (Intermediate) SQL (Advanced) Difficulty. We use cookies to ensure you Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. We use cookies to ensure Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. These concepts require a deeper understanding of SQL and its ecosystem. Click here to see more codes for Raspberry Pi 3 and similar Family. The questions can be answered in 4 different types of SQL flavours and I decided to answer them using MySQL. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms - HackerRank_Solutions/SQL/Basic Select/Weather Observation Station 4. Hackerrank contains 58 SQL based problems for interview practice, as i go through these will keep a solution bank here categorised into the three difficulties (basic, intermediate, advanced) 1 day ago · 170+ solutions to Hackerrank. Jul 5, 2024 · Python Solutions: A collection of solutions to HackerRank problems solved using Python. We use cookies to ensure you have the best browsing Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. The output column headers should be doctor, professor, singer, and actor, respectively. Jan 10, 2025 · Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Print Prime Numbers. This competency area includes configuring a Spring MVC application, Basics of the Spring framework, working with REST APIs, writing a unit test for a simple application, among others. 83 KB main. 75%. In the meantime, you can still continue to practice on HackerRank. Saved searches Use saved searches to filter your results more quickly hackerrank-python hackerrank-solutions hackerrank-javascript hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-interview-kit hackerrank-certificates Resources Readme Nov 8, 2024 · Interviews can be hands-on, with problems to solve on CoderPad, HackerRank, or even a whiteboard session. Write queries in MySQL syntax. Subdomains. Mar 28, 2021 · Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. They are necessary for optimizing performance, managing complex queries, ensuring data integrity, and leveraging advanced features for Nov 19, 2024 · Then, create realistic scenarios and practice writing queries to solve them. - Anuli12/SQL-Practice-Exercises-from-HackerRank Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Host and manage packages Security. Aug 11, 2023 · HackerRank SQL Practice- Advanced Select. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. “Hackerrank SQL Practice questions-P2” is published by Ankit songara. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution 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. We use cookies to ensure you have Dec 22, 2024 · Practice SQL querys with an online terminal. Challenges: 21, Attempts: 1020535, These concepts introduce more complex features and functionalities of SQL. 76%. to. Note: Print NULL when there are no more names corresponding to an Sep 27, 2022 · This repository contains solutions to Hackerrank practice problems with SQL. Solve Challenge. Code directly from our platform, which supports over 30 languages. Topics Practice Easy to Medium Level MySQL on the HackerRank - citraput/HackerRank-SQL. 50%. SQL 50. You’ll find even more basic SQL exercises there. Dec 23, 2024 · Two pairs (X 1, Y 1) and (X 2, Y 2) are said to be symmetric pairs if X 1 = Y 2 and X 2 = Y 1. Updated Dec 24, 2023; ⚡ Solutions to coding challenges on HackerRank (Python, Java, C++, SQL, Problem Solving & Math) <\> Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Solve SQL query questions using a practice database. Key Competencies: This page contains solutions for all HackerRank SQL challenges which were passed successfully. sql at master · 07Agarg/HackerRank_Solutions Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. This collection serves as a useful resource for improving SQL skills and problem-solving techniques. Whether you’re prepping for an interview or This repository tracks my progress through the SQL course on HackerRank. We use cookies to ensure This repository contains solutions to various SQL challenges from HackerRank. Please find the provided solutions for learning purposes only. Read more. Ok | Prepare; Certify; Compete Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. 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