Weekend hours worked sql hackerrank It is guaranteed that the difference between the End_Date and the Start_Date is equal to 1 day for each row in the table. hackerrank hackerrank-python hackerrank-solutions hackerrank-java hackerrank-python-solutions hackerrank-sql hackerrank-sql-solutions Resources. I would like to understand how to approach this problem and find out where I can find problems like these. Working Platform:- DB2, Oracle, MySQL, MS SQL Server */ SELECT COUNT(CITY) - COUNT(DISTINCT CITY) Saved searches Use saved searches to filter your results more quickly Edits: Updated with the sql_mode='' based on @jakab922's comment. Accelerate your Job Search. datepart(hour,timestamp) - datepart(hour,lag(timestamp)over(partition by cast(timestamp as date),emp_id order by timestamp)) as hours_worked from attendance where For each employee, determine the number of hours worked during the weekends. Meaning, if an employee clocks in at 11:00 PM and clocks out at 7:00 AM the next day. _____ You signed in with another tab or window. _____ SUBSCRIBE!Do you want to understand how to solve SQL Probl I just took a hackerrank test for a position and it was sql - 3 questions on ‘basic’ sql functions. Blame. Please advice. A great SQL problem, that needs a high level of attention to detail. Curate this topic Add this topic to your repo Contribute to sknsht/HackerRank development by creating an account on GitHub. Reload to refresh your session. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. Plan and track work Code Review. If the employee login and logout many times, each session and total should be displayed. Contribute to oyi77/HS_Solution development by creating an account on GitHub. Saved searches Use saved searches to filter your results more quickly How to Earn SQL (Advanced) Certification on Hackerank ? In this video, you'll learn how to earn free certification from Hackerrank*****Impor Hackerrank SQL Solution #1Advanced SQL - 15 Days of Learning SQL#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview #in Welcome to the HackerRank SQL Solutions Repository! This repository contains my solutions to various SQL challenges from HackerRank. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Plan and track work Code Review. How should I sum it so that when the sum is greater than 40 it should add that to overtime. Watch also my other videos on Hackerrank SQL Certifications. First This is the first problem of the SQL Advanced Certification Test - Crypto Version. Personal. Contribute to SherifRizk/HackerRank development by creating an account on GitHub. All features Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it. SQL (Advanced) Skills Certification Test 60 min. Sort by. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Mar 31, 2024 · Write a query to output the start and end dates of projects listed by the number of days it took to complete the project in ascending order. My SQL select distinct CITY from STATION Where SUBSTR(CITY, LENGTH(CITY), 1) NOT IN ('a','e','i','o','u'); SQL interview questions have been a critical component of technical hiring for decades. No. with x as (select cast('2016-07-01' as date) dt union all select dateadd(dd,1,dt) from x where dt < '2016-07-31') select e. sql; sql-server ; sql-server-2005; sql-server-2008; Share. Solutions to SQL Questions - HackerRank . Please read our Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Topics 🔥 Learn Basics of SQL with Complete SQL Fundamentals for Beginners at Data Is Good. Leaderboard. ADMIN MOD Why is CTE not working on HackerRank in my account? Discussion I am new to Hackerank, so I am not sure if this is something I missed or system-wide. Certificate: SQL Verified. 65%. A solution. Solved. Typically, you will be given a list of work logs We use cookies to ensure you have the best browsing experience on our website. Readme License. Write better code with AI Code review. 9 lines (7 loc) · 184 Saved searches Use saved searches to filter your results more quickly I am working on a rent system database where a car is given on rent. Linux Shell . Take the HackerRank Skills Test. Navigation Menu Toggle navigation. Improve this question. 01 as date. We use cookies to ensure You signed in with another tab or window. In this video I am solving the BASIC Certification on Hackerrank. Test duration 60 mins. recency | 2463 Discussions| Please Login in order to post a comment. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. The start or "current" time may be outside working hours, but still only the working hours are counted. Manage code changes HackerRank MySQL challenge solution in the MySQL Advance Track - SQL/HackerRank Advance SQL at main · hammad-ali-shah/SQL MySQL interview q: make a query that adds the number of worked hours in a given time period and display the name and total no. Manage code changes Discussions. mysql sql hackerrank learning-exercise hackerrank-solutions hackerrank-sql hackerrank-sql-challenge upskilling certify-maintenance hackerrank-sql-certificate. 1 of 6 Review the problem statement Each challenge has a problem statement that includes sample inputs and outputs. Now it is also working with arbitrary sets of suspicious transactions. This is SQL Server 2005, so T-SQL or a managed assembly could be used. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. For example, there are 10 hours between '2000:01:01 00:45:00' Apr 22, 2021 · While solving all SQL problems from HackerRank, I came across multiple solutions for the same problem. This sounds simple by I am having really hard time doing this. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. It is both working now. Curate this topic Add this topic to your repo This is a new question Hackerrank has added for the advance level SQL certification. cochiseandcumbria In this repository you will find my answers to the SQL challenges proposed in HackerRank, from basic to advanced level. 15%. Despite being over four decades old, SQL is still evolving at a rapid pace. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Code for the Solution in MSSQL:https://github. How can I calculate business hours between two dates? For example we have two dates; 01/01/2010 15:00 and 04/01/2010 12:00 And we have working hours 09:00 to 17:00 in weekdays How can I calculate w Ah okay, I misunderstood you. Updated Aug Construct a dates cte which will have all the dates in a week and perform an outer join on this table to show 0 when the employee doesn't work on a given weekday. This is a timed test. Weather Observation Station 6. While basic techniques like While basic techniques like Jul 29 About. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. hackerrank. Topics HackerRank. Collaborate outside of code hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode hackerrank-sql-certificate hackerrank-sql-solution Resources. You are viewing a single comment's thread. Solved all the challenges pertaining to SQL (from Basic to Advanced). Sign in Product GitHub Copilot. Share this post. How to get the total working hours for employees with SQL Server . All features Add a description, image, and links to the hackerrank-sql-solutions-oracle topic page so that developers can more easily learn about it. Table vinay_hours Calculate Employees' Total Working hours using SQL Server. Certify. ; Indexing: Explore the Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in CREATE TABLE [temperature_records] ([record_date] VARCHAR(10),[data_type] VARCHAR(10),[data_value] SMALLINT); Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Well this query fails 'SQL sytax error'{MYSQL}, however without GROUP BY this query is rejected as only-full-group-by mode is activated. To succeed in an SQL In this Video you will Learn About - How to Write SQL Intermediate Level Code on Hackerrank . You signed in with another tab or window. Note: Round the average to the nearest integer. Try Teams for free Explore Teams. Notifications You must be signed in to change notification settings; Fork 0; Star 0. Shifts do not matter. Can anyone help? There were a number of contests where participants each made number of attempts. ; Data Modeling: Design efficient and effective database structures. James Berry James Berry. select If hours is > 40 then its added to overtime hours. supriya22399. where LAT_N is the northern latitude and LONG_W is the western longitude. Calculate the hours worked by all employees in a day. MIT license Activity. Calculating Work Hours Using SQL. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Subscribe Sign in. Take your SQL expertise to the next level with advanced topics. Viewed 8k times -3 . I found a function script which calculated the time within the working hours and it did exclude the weekends. I need to calculate the total working hours of an employee per day. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Names of columns in the City Table. A lesson that teaches you how to solve the following problem from the SQL section in HackerRank. Top. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. This is a new question Hackerrank has added for the advance level SQL certification. Please use the following link! GitHub – Database Certification List If anyone wants a list of Database related certifications, I created a list. Algorithms. Link to the full problem on Hackerrank. Total number of working This is a discussion of the first problem from the Advanced Hackerrank Skills test. Weather Observation Station 4 | Easy | HackerRank Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. Let's assume the problem involves determining the total number of hours worked during the weekend based on given work logs. SELECT DISTINCT CITY FROM STATION WHERE CITY These concepts require a deeper understanding of SQL and its ecosystem. The HackerRank Advanced SQL Certification Practice Exams: These exams provide you with an opportunity to practice the skills you need to pass the real exam. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways ☎️ LET'S CONNECT!***** Facebook: https://www. Welcome to HackerRank SQL (Advanced) Skills Certification Test. our given date range in where clause is 1/02/17 and 5/2/17 Last updated 09/11/2023 I have moved this list to my GitHub, as it is easier to maintain there. The HackerRank Advanced SQL Certification Forums: The forums are a great place to ask Plan and track work Code Review. 19. Feel free to ask doubts in the comment section. Skills. It took me a bit more than two weeks (on and off between work, workout, and taking the kid to day school, etc. All features Documentation GitHub Skills Blog Solutions By size. Examples to clarify the scenarios. of hours worked. So imagine employee start working at 8:30 and exit at 15:00 so the time of 4:30 hours should be calculate for him. Watch also the first problem of SQL Advanced Certification test:https://www. 1 min Inside you will find the solutions to all HackerRank SQL Questions. 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 Important part is about lunch time that should not calculate as working time of employee at all. Updated Feb 16, 2024; Improve this page Add a description, image, My hunch is that all of these questions are affected by the work hours Open in app. For more practice on a similar, s Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Sign up. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. You switched accounts on another tab or window. 01 before midnight, the total working hours are saved with the 02. SQL. File metadata and controls. Problem. The attempt with the highest score is only one considered. Teams. Get noticed by companies. For example, there are 10 hours between '2000:01:01 00:45:00' and '2000:01:01 Second Part of the Advanced SQL Certification Test on Hackerrank - Crypto VersionHere is the code and the dataabse:Code:https://github. Unsolved. I have a table in SQL Server representing service requests with their created date and LastUpdateAt which represents the end date if exist, if null it means the request is open and not yet solved. About. The STATION table is described as follows:. SQL (Basic) SQL In this Video Im solving the OCCUPATIONS Problem from Hackerrank SQL Problems. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Click here to see more codes for Raspberry Pi 3 and similar Family. MySQL solution. com/CuriosityLeonardo/Hackerr 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 high-level query design and development. All features bhaglepravesh / Hackerrank-SQL-Advanced-Skills-Certification-Test-Solution Public. Automate any workflow Codespaces. 447 1 1 gold badge 8 8 silver badges 15 15 Note: If the employee is still currently working for the company their to_date will show 9999-01-01. Futher queries will per written on this view CREATE VIEW weekend hours worked sql solution. It was extending to more than 3 per group already before. Plan and track work Discussions. Night shifts count 100 % to the day the shift started on. Thanks & Regards,-Akshay P Daga. Skill over pedigree. Solution: select * from CITY 2) Select by ID Problem: Query all columns You signed in with another tab or window. Edits: Updated with the sql_mode='' based on @jakab922's comment. Updated Aug Hi, I came across this question a few days back in a timed challenge and I did not know how to approach this SQL problem and I was rejected. What I'm wanting to do is display the emp_no of the longest working employee. I need to calculate the (sum of time difference) total time of loan for a car in the given date time range for only working hours and excluding weekend. 271 Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Write a query that gives 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. Members Online • Guyserbun007. Basic Join. While solving these challenges, many concepts were learned and here are I am trying to calculate time of 2 dates within the working hours and it should exclude the weekends and holidays. Sign in. Take the HackerRank Certification Test and showcase your knowledge as a HackerRank verified developer. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR department who earned a bonus of 5000 dollars or more in the last quarter. 01 as the date. uid, t. Weather Observation Station 5. facebook. RodneyShag. Solve Challenge. " Learn more Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. Collaborate outside of code Code Search. how to Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. If there is more than one project that have the same Mar 2, 2014 · From an earlier question I learned how to get the total working hours per employee per day which does not include night shifts: Contribute to SherifRizk/HackerRank development by creating an account on GitHub. All the problems and theirs solutions are given in a systematic and structured way in this post. 50%. 1) Revising ALL Problem: Query all columns (attributes) for every row in the CITY table. 🔥Welcome to the SQL tutorial for beginners using Hackerrank. For example, if you start work on 02. Click here to see more codes for NodeMCU ESP8266 and similar Family. New Companies. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. In this SQ Plan and track work Discussions. I'm not sure how to do that with the random 9999-01-01's in the database. The repository contains 6 folders. Platform Help | Execution Environment | FAQ. If you start after midnight, the total working hours are saved with the 03. Listed below are the questions available in this repository. CodeChef CodeSignal CSES HackerEarth HackerRank LeetCode StrataScratch Home. Nov 5, 2020 · 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 table. 1. Ask Question Asked 10 years, 10 months ago. Data Structures. sql. This repository is complete and contains solutions to all the HackerRank SQL Practice Questions of all difficulty types. Calculate Working Days using DATEDIFF. ) to finish all the 58 SQL challenges on the site, and I gained quite some insights from the journey (and having Print the total number of challenges created by hackers. Basic Select. github mysql sql certificate hackerrank certification collaborate hackerrank-solutions hackerrank-sql hackerrank-sql-solutions gitlens hackerrank-certification student-vscode github-campus-experts hackerrank-certificatio hackerrank-sql-certificate hackerrank-sql-solution. Email. More. Each link leads to the document containing both, the question Click here to see solutions for all Machine Learning Coursera Assignments. C# (Basic) JavaScript (Basic) SQL To solve a problem related to calculating weekend hours worked, we need to follow a systematic approach. dt, coalesce(e. These concepts introduce more complex features and functionalities of SQL. com/kumarviveknitjsreee Linke 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. Please read our cookie policy for . hours_worked,0) hours_worked from (select * from x where 39. Write a query to list the contestants ranked in the top 3 for each For each employee, determine the number of hours worked during the weekends. I will try my best to Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Prove your Skills. Skip to main content. 6 hours ago + 0 comments-- creating a view for hacker id, name and no of challenges. Facebook. All features Saved searches Use saved searches to filter your results more quickly I need to display employee login and logout hours for each session of the day and calculate Total Working hours. His total working hours would be 1 hour the first day and 7 hours the next. If I sum hours it adds up everything and the total is more than 80 hours for the 2 weeks. SQL (Advanced) Skills Certification Test. For example, there are 10 hours between '2000:01:01 00:45:00' and '2000:01:01 WITH hours_worked AS ( SELECT emp_id, CASE WHEN MINUTE (TIMESTAMP) >= MINUTE (LAG (TIMESTAMP) OVER (PARTITION BY CAST (TIMESTAMP AS DATE), emp_id ORDER Jun 25, 2024 · For each employee, determine the number of hours worked during the weekends. This problem is not as technically complicated as some of the previous problems like Draw the Triangle 1 or Draw the Triangle 2. You are given a table, Projects, containing three columns: Task_ID, Start_Date and End_Date. In my list below, I have tried to include Continue reading Database Certification List → @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 Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. 0. Post a Comment (0) Previous Post Next inner join (select month (record_date) as R , round(avg(data_value),0) as d from temperature_records where data_type="avg" group by month (record_date)) C Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Return to all comments → Publish Date - December 15th, 2022 | Last Modified - March 7th, 2023. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. So, without wasting any time, let’s jump to the Mar 31, 2024 · Inside you will find the solutions to all HackerRank SQL Questions. The HackerRank Skills Certification Test is a standardized assessment to help developers prove their coding skills. youtube. Solutions to SQL Questions - HackerRank Inside you will This repo contains Hackerrank Easy solution for Database Management System| SQL Topics mysql station select update hackerrank insert hackerrank-solutions where orderby clause hackerrank-sql-solutions slq city-table city-entries GitHub is where people build software. 10 Days of Javascript. Status. Weather Observation Station 9. Manage code changes This is the simplest way to encourage me to keep doing such work. Verify your SQL Skills. I encountered a similar situation where my CTE didn't work in HackerRank's MySQL environment. I went into it like okay I got this. HackerRank changed the default sql_mode behavior to only_full_group_by at some point after I posted this. A couple of things first. This is the only video you will need to improve you The goal of /r/SQL is to provide a place for interesting and informative SQL content and discussions. Query Optimization: Optimize your queries for better performance. The use of CONCAT is advised for this challenge, amongst other functions because of the required output suggested The complication is that these active minutes should only be counted during a working day - Monday-Friday 9am-6. Skip to content. Here's what I've come up with so far: Optimizing SQL queries is essential for enhancing database performance and ensuring efficient data retrieval. You signed out in another tab or window. Submissions. How can I calculate the number of work days between two dates from table (from the 1st row to the end) in SQL Server 2008? I tried something like this, but it does not work DECLARE @StartDate as I was asked the same question in the Hackerrank quiz, according to the question, we need to find the average of the values of which data_type column value is 'avg', so to get the exact answer, I have used the case condition. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. Also, a full solution without the need to change modes was posted by @dougal_michael below, which uses the MIN() function instead. In this approach, we employ several steps that make use of DATEDIFF and DATEPART functions to successfully determine working days. 30pm, excluding weekends and (known) list of holiday days. Copy link. Please make sure you Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Find and fix vulnerabilities Actions. Return to all comments →. com/CuriosityLeonardo/ You signed in with another tab or window. https://www. Add a Print the names of employees who earn more than $2000 per month and have worked at the company for less than 10 months. of questions 2 questions. Recreated in the SQLite Online database. Tags: HackerRank SQL. These folders contain solutions for all easy, medium and difficult challenges executed on MySQL environment. Write. 8 years ago + 36 comments. Find more, search less Explore. I was not able to solve it at all. Python. Adi The PM's Substack . We use cookies to ensure you have the best browsing experience on our website. Please checkout my solutions and make use of it for the learning purpose only. Readme Activity. If the End_Date of the tasks are consecutive, then they are part of the same project. Write better code with AI Security. com/watch?v=IxIO_I9vShE&ab_channel=TheCodingMentorSolve this problem to b You signed in with another tab or window. Notes. Here is the Challange I completed about SQL on HackerRank. Revising the Select Query | Optimized for mobile view. I have made a Holiday table which contains the name and date of the holidays. From my HackerRank solutions. Code; Issues 0; Pull Contribute to marimourao/HackerRank development by creating an account on GitHub. Use this as an example Boost your chances of landing that dream job by building fine-tuned latex resumes that stand out. Discussions. Query the names of students scoring higher than 75 Marks. Actions. Click here to see more codes for Arduino Mega (ATMega 2560) and similar Family. There is a tale with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Enterprise Teams Startups By industry HackerRank-SQL-Solutions. Write a query to find the Jan 10, 2025 · Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. For simplicity, hours worked in a day, hours are truncated to their integer part. 2. Here’s a step-by-step guide to approach such a problem: Step 1: Understand the Input Format. The 3 per group was just the maximum per Group due to the dataset. Instructions. actually I want to remove lunch time from attendance time of employee in different situations: My fields are all in Time(7) format in Sql. com/challenges/the-padsLearn: Buildin The start or "current" time may be outside working hours, but still only the working hours are counted. Facebook; Twitter; You may like these posts. Challenges. Certification Test. Here you will be able to find my HackerRank solutions to many challenghes, using C++, JavaScript, Python and SQL Correlated Materials Visit my Competitive programming guide and see also my HackerRank, GeeksForGeeks, Leetcode and other online judges solutions Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. so I have submitted this answer because the earlier wouldn't work for that scenario – user9446396. Provide details and share your research! But avoid . Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. . For example, there are 10 hours between '2000:01:01 00:45:00' and '2000:01:01 Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. I tried to provide those with explanation. Modified 6 years, 2 months ago. My Solution: with doctor as (Select name, ROW_NUMBER() OVER(orde Verify your SQL Skills. If you’re a data scientist or software engineer on the job market, the ability to demonstrate your database skills in an SQL interview is critical to landing your next role. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I want to calculate the working hours for each request to be closed or if it's not yet closed, then the hours from the created date until current time, with weekends excluded and In this article, we take a look at some of the tricks and T-SQL methods that can be used to easily create a user-defined function that calculates working days and hours. Now I just miss the part to exclude holidays. Asking for help, clarification, or responding to other answers. So, without wasting any time, let’s jump to the solutions. My table will be look like this You signed in with another tab or window. First two were easy. For example, if there are three records in the table with Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Instant dev environments Issues. Crack your coding interview and get hired. Automate any workflow GitHub is where people build software. Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. There is an In_Out flag to represent if the badge swipe was In/Out. Review Profile. Stars. Home; 👨🏻‍💻 Profile; Prepare. Tutorials. Sort the output by the LAST three characters of each name. Code. Follow asked Jul 21, 2010 at 6:58. Weather Analysis. Collaborate outside of code Explore. Steven Hancock · Follow. HackerRank Solutions. I have used hackerrank and Leetcode so far and they did not have questions like these. However, I have an interesting observation which is that if you switch from MySQL to MySQL server, then the CTE works, Why this video is 7. All features Add a description, image, and links to the hackerrank-sql-solution topic page so that developers can more easily learn about it. All features Documentation GitHub Skills cracking-the-coding-interview algorithm-challenges coding-challenges hackerrank-sql. HackerRank SQL Solutions. calculate the average number of hours per day that the employee spent on the workplace for the previous month. Commented May 17, 2022 at 14:07. hpttpt uay lynu gzcv igqyd unw ryvfwh rstdcm hhqqjbv lmivf