Occupations hackerrank solution mysql. Reload to refresh your session.

Occupations hackerrank solution mysql ; SET keyword is used to initiate variables like d, p, s & a with 0 value. Please signup or Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. The PADS. group by occupation. ; Here, Occupations. It is an hack not a solution, MySQL dows not support outer join, and want ready for the lenghty use of union, so i just find the table with the occupation with the highest number and use a Print employee names. Thanks so much!! 0 | Parent Permalink. May I know why do we need to "group by" in this case? 0 | Create a HackerRank account my solution in mySql: with a as ( select case when occupation = ' doctor ' then name end as doctor , case when occupation = ' professor ' then name end as professor , case when occupation = ' singer ' then name end as singer , case when occupation = ' actor ' then name end as actor , row_number () over ( partition by occupation order by name ) as ran from occupations ) select from occupations. CONCAT(N, ' Inner'). MySQL Solution: SELECT CONCAT (Name, "(", LEFT (Occupation, 1) Create a HackerRank account Be part of a 23 million-strong community of developers. e. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Click here to see more codes for NodeMCU ESP8266 and similar Family. However, I have an interesting observation which is that if you switch from MySQL to MySQL server, then the CTE works, /*Solution with Oracle Sql*/ WITH RankedOccupations AS ( SELECT NAME, OCCUPATION, ROW_NUMBER() OVER (PARTITION BY OCCUPATION ORDER BY NAME) AS rn FROM OCCUPATIONS ) SELECT MAX(CASE WHEN OCCUPATION = 'Doctor' THEN Name END) AS Doctor, MAX(CASE WHEN OCCUPATION = 'Professor' THEN Name END) A lesson that teaches you how to solve the following problem from the SQL section in HackerRank. :) This post also works in MySQL, except rename rank alias to rk. These recursive functions you constructed {@r1:=@r1+1} is basically the same as creating a rank column partitioned by Occupation:with cte as ( select RANK() OVER (PARTITION BY Occupation ORDER BY Name) as Rank, case when Occupation='Doctor' then Name else null end as Generate the following two result sets: Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i. Technically the SELECT should happen before the ORDER BY, but that doesn't mean MySQL won't use "hints" earlier; similarly to how MySQL won't ignore a helpful WHERE condition in favor of generating joining entire tables before using the conditions to The solutions of all SQL hackerrank challenges using MySQL environment - HackerRank-SQL-Challenges-Solutions/Advanced Select/Occupations. YujiShen. Working platform:- DB2, MySQL, Oracle, MS SQL Server */ SELECT COMPANY_CODE, FOUNDER, (SELECT COUNT (DISTINCT LEAD_MANAGER_CODE) FROM LEAD_MANAGER WHERE COMPANY_CODE = C. Not sure if that was just because of the subtle differences of MySQL compared to Oracle, but alright. ; ORDER BY NAME is used to get all the names first and then NULL. Problem 1. Navigation Menu Toggle Query an alphabetically ordered list of all I guess the row number function provides each distinct occupation with separate row numbers, like 1,2,3 for doctor and again 1,2,3 for professor since it was partitioning by occupation. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. Working Platform:- DB2, MySQL, Oracle, MS SQL Server */ SELECT CASE . Inside you will find the solutions to all HackerRank SQL Questions. Number Challenges Occupations. https://www. Return to all comments You signed in with another tab or window. ORDER BY Name) AS row_num, Name, . In mysql: select Doctor, Professor, Really good stuff. MS SQL server solution. The output column headers should be Doctor , Professor , Singer Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. To create a similar solution for our problem, we need SerialNo as an index for Doctor,Professor Occupations. Create a HackerRank account Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. It depends on your strategy to solve a problem, if you choose to interact with chat-gpt to find a good solution that's great, but I think chat-gpt will refers you dynamic queries or some ways like my query because there is no pivot operator like Microsoft SQL Server in MySQL. com/challenges/binary-search-tree-1Le Abstract Classes Algorithms ASP. You can't UNION them with the group by or the whole query will fail, but you can ORDER BY after UNION and you should get the expected result, or at least i'm getting it by running the following code on a sqlite build. gitOccupations hackerrank Solution HindiHackerrank Japan Population Solution Explanation. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. chaulkar_shreyas. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Check GroupBy Solution for same question here :https://www. - qanhnn12/SQL-Hackerrank-Challenge-Solutions I think this is a much simpler MySQL solution: CREATE VIEW OccupationsView AS SELECT ROW_NUMBER() OVER (PARTITION BY Occupation ORDER BY Name) AS row_num, Occupation, Name FROM OCCUPATIONS; SELECT MAX(IF(Occupation = 'Doctor', Name, NULL)) AS Doctor, MAX(IF(Occupation = 'Professor', Name, NULL)) AS Professor, The PADS – HackerRank Solution; Occupations – HackerRank Solution; Binary Tree Nodes – HackerRank Solution; New Companies – HackerRank Solution; Revising Aggregations – The Count Function – HackerRank Solution; Occupations. NET C# CSharp FileAppender+MinimalLock HackerRank hackerrank solution Interfaces JAVA Log4NET Logging Issues Minimum Swaps 2 problem MVC MySQL Priority Severity Software Testing SQL STLC Unique ID WCF Occupations. ID = F. NAME, ActTable. 8 months ago + 0 comments. The output column headers should be Doctor, Professor, Singer, and Actor, respectively. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. MYSQL server solution // This will create create a temporary table with ordered rows numbers for each occupation// with as RNum from occupations) //This will return Max of each row number (each row number will have only 1 occupations and rest will be null)// Select Max(case when occupation='Doctor' then name end) as Doctor, Max(case If the last line wouldn't exist, this query would show only the first row of the result. Occupations: Link: 4: Binary Tree Nodes: Link: 5: New Companies: Link: Aggregation. COMPANY_CODE), To understand the above solution, Try to print the inner SELECT query first. Number Challenges Solutions; 1: Saved searches Use saved searches to filter your results more quickly A SELECT CASE expression will result in the evaluation of at most one THEN expression -- the first one that has a WHEN condition that satisfies. 4 of 6; Test your code You can compile your code and test it for errors and accuracy before submitting. 9 years ago + 16 comments. Sample Output. ; The fourth column is an alphabetically ordered list of Actor names. I have to keep track of Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding HackerRank SQL Problems and Solutions — 1. roopmathi_gj. Healthcare Financial Full description link: "HackerRank: Occupations". 194 | Permalink. Binary Tree Nodes. HackerRank personal solutions. com but the solution is generated by the Geek4Tutorial admin. com/challenges/occupations/problem?isFullScreen=trueProblem Name: OccupationsDifficulty Level: MediumKey topics here:- -- MySQL SELECT MIN(CASE WHEN Occupation = 'Doctor' THEN Name ELSE NULL END) AS Doctor, MIN(CASE WHEN Occupation = 'Professor' THEN Name ELSE NULL END) AS Professor, MIN(CASE WHEN Occupation = 'Singer' THEN Name ELSE NULL END) AS Singer, MIN(CASE WHEN Occupation = 'Actor' THEN Name ELSE NULL END) AS Actor FROM ( In this Video Im solving the OCCUPATIONS Problem from Hackerrank SQL Problems. with Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. briant_teh. Occupation. The output should consist of four columns (Doctor, Professor, Singer, and Actor) in that My Oracle Solution using the Pivot function: Key things here, this solution is really about Pivot and row_number: Pivot requires you to use an aggregate function, so you have wrap a function like max or min around name. NAME, SingTable. com/imranansari9836/OCCUPATIONS-. Click here to see more codes for Raspberry Pi 3 and similar Family. -- The first query SELECT CONCAT ( NAME , '(' , LEFT ( OCCUPATION , 1 ), ')' ) AS HEADLINE FROM OCCUPATIONS ORDER BY NAME ASC ; -- Prepare constantS SET @ MESSAGE = 'There are a total of ' ; -- The second query SELECT CONCAT ( @ MESSAGE , COUNT ( OCCUPATION This Repository contain solutions to HackerRank 30 Days Of Code Challenge, 10 days of javascript,10 days of statistics,java,sql. : enclosed in parentheses). We highly recommend you solve this on your own, however, you can refer to this in case of help. Discussions. . NAME, ProfTable. Leaderboard. : enclosed in You signed in with another tab or window. Input Format. Create a pivot table with OCCUPATION as the columns. You have to change them back. Weather Observation Station 5 Query the two cities in Problem. - qanhnn12/SQL-Hackerrank-Challenge-Solutions. Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. HackerRank Menu Toggle. I encountered a similar situation where my CTE didn't work in HackerRank's MySQL environment. - SQL-Hackerrank-Challenge-Solutions/Advanced Select/Occupations. 6 months ago + 2 comments. A lesson that teaches you how to solve the following problem from the SQL section in HackerRank. Occupations: SQL: 4: Binary Tree Nodes: SQL: 5: New Companies: SQL: Aggregation Challenges. My solution in MySQL for this challenge. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions You signed in with another tab or window. sql at master · tilsonm828/HackerRank Simple and Easy Solution MYSQL with d as ( select name as doctors , row_number () over () as id from occupations where occupation = "Doctor" order by doctors ), p as ( select name as professors , row_number () over () as id from occupations where occupation = For recording personal solutions to SQL problems on HR. The output column headers should be Doctor, Professor, Singer, and Actor, Problem. Contribute to rene-d/hackerrank development by creating an account on GitHub. NAME FROM (SELECT OCCUPATION, [NAME], ROW_NUMBER() OVER(PARTITION BY OCCUPATION ORDER BY [NAME] ASC) AS ID FROM OCCUPATIONS WHERE OCCUPATION = 'Doctor') As DocTable FULL OUTER JOIN Here, we have columns- name, occupation and rank (generated for each occupation using ROW_NUMBER() function) Since 1st it is partitioned by occupation, it gives values sorted in asc order according to occupation and then sorts the names as asc order. The outer join does not work in MySQL though. 2345 group by lat_n order by lat_n desc limit 1; Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. 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. Blog; Scoring; Environment; FAQ; About Us; Support; Careers; Terms Of Service; Note: The problem statement is given by hackerrank. JOIN PACKAGES P2 ON F. The STATION table is described as After that HackerRank was still not accepting the solution, so after the "group by row_n" I placed an "order by row_n" as well and that did the trick. All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. You signed in with another tab or window. Problem. 10 Days of JavaScript; 10 Days of Statistics; 30 Days of Code; HackerRank Algorithms; HackerRank Linux Shell; HackerRank C; HackerRank C++; HackerRank Java; HackerRank Python; HackerRank Ruby; Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. Enterprise Teams Startups By industry. com/challenges/occupationsLearn: Buil Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. - rutujar/HackerRank-solutions The problem. You switched accounts on another tab or window. - yrevanna/hackerrank-solutions You signed in with another tab or window. ==== Steps 1 ==== select name, Doctor, Professor, Singer, Actor from occupations pivot (count (occupation) for occupation in (Doctor, Professor, Singer, Actor)) as p Out put: Aamina 1 0 0 0 Ashley 0 1 0 0 Belvet 0 1 0 0 Britney 0 1 0 0 Christeen 0 0 1 0 Eve 0 0 0 1 Jane 0 0 1 0 Jennifer 0 0 0 1 Jenny 0 0 1 0 Julia 1 0 0 0 Ketty 0 0 0 1 Kristeen For me it always helps to turn the "subquery" into its own query and take a look at its output, as follows: SELECT Name, Occupation, (ROW_NUMBER() OVER( PARTITION BY Occupation ORDER BY Name )) AS rn FROM Occupations Below are my solutions to all Medium SQL challenges on HackerRank. mikramirfan. occupation = You signed in with another tab or window. The output column headers should be Doctor, Professor, Singer, Query the name and abbreviated occupation for each person in OCCUPATIONS. Link to the full problem on Hackerrank. 1 month ago + 1 comment. Medium Max Score: 30 Success Rate: 91. Solve Challenge. NAME. Output¶ 2) Occupations. Again thank you for giving an explanation that helped me understand the solution. 7 months ago + 3 comments. MySQL solution: WITH Base AS ( SELECT ROW_NUMBER()OVER(PARTITION BY Occupation ORDER BY Name) AS ROWNUMBER, Solved MySQL answers for HackerRank questions. ID. Sort your results by the total number of challenges in Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. ; The second column is an alphabetically ordered list of Professor names. raiyanger24. Create a HackerRank account Be part of a 23 million-strong community of developers. I'm new to SQL and struggled to find the solution for about 2 days in my spare time. select Solution Link :https://github. 2 years ago + 0 comments. 5 years ago + 74 comments. ; Here, #hackerranksql#sqlgoldbadgeHey guys,Welcome to my channel In this video I have explained Sql challenge "OCCUPATIONS" step by step . MySQL: SELECT simple solution (mysql server) : select tbl1 . Answer 1: with cte1 as (select D, row_number() over() as row_num from (select Solution Example of Hackrank of my-sql. This tutorial is only Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. name ) idx , o . In this case the rest of the CASE expression is select truncate(lat_n,4) from station where lat_n <137. After searching and learning from internet, the correct answer for this challenge by using MYSQL: SELECT ROW_NUMBER() OVER(PARTITION BY Occupation. Blog; Scoring; Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. -3 | Parent Permalink. You are viewing a single comment's thread. Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL - shanuhalli/MySQL-Basics-to-HackerRank. - Solaris-star/MySQL-HackerRank-PersonalSolutions MySQL: SELECT ROUND(LAT_N,4) FROM STATION WHERE LAT_N>38. The first column is an alphabetically ordered list of Doctor names. Question¶ Solution¶ MySQL / MS SQL Server. JOIN FRIENDS F ON S. The problem involves querying a list of all names in the “OCCUPATIONS” table, HackerRank SQL — Occupations. HackerRank's code block convert "@r1" into "(/r1)", so all the assignment are not correct. I saw this site while searching given in this site, we can think of product_name like an index for North, Central, South, West. Contribute to hetvi20/hackerrank-solution-mysql development by creating an account on GitHub. I searched for "Pivot mySql" based on the keyword in question. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Edit: this code is also valid for MS SQL. 19. 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. The OCCUPATIONS Occupations. FROM STUDENTS S . My Solution: with doctor as (Select name, ROW_NUMBER() OVER(orde This repository contains solutions to all the HackerRank SQL Practice Questions /* Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Effective solutions to hackerrank. The OCCUPATIONS table is described as follows: Occupation will only contain one of the following values: Doctor, Professor, Singer or Actor. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. My answer in MySQL. Solutions By size. Code your solution in our custom editor or code in your own environment and upload your solution as a file. The output column headers should be First, you create a view (v) that transforms the original OCCUPATIONS table into a structure where each row contains the names for specific occupations along with the row Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Contribute to ndleah/SQL-Hackerrank-Challenge-Solutions development by creating an account on GitHub. thanks for mentioning that its a MySQl solution!-3 | Parent Permalink. You signed out in another tab or window. Hey there, fellow Data Folks and SQL Ninjas! Today, I want to share a simple solution to a challenging Hackerrank problem using MySQL. mysql practice solutions The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. anupam_2_decem. Select NAME when its OCCUPATION matches the OCCUPATION 's column, else the value is NULL. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. Julia asked her students to create some coding challenges. FROM OCCUPATIONS) AS ord. View more Comments. You are given a table, Projects, containing three columns: Task_ID, Start_Date and End_Date. JDBC basic example For Select Query For explanation watch video: For Creating Table:: SQL> create table emp60(srno int,fname varchar2(10)); Table created. The output column headers should be Doctor, Professor, Singer, and Actor, respectively. blogspot. Number Challenge Solution; 1: Placements: mySQL: 2: Symmetric Pairs: mySQL: 3: SQL Project Planning: mySQL: 4: Interviews: mySQL: 5: 15 Days You signed in with another tab or window. Solutions to HackerRank practice, tutorials and interview preparation problems with Python 3, mySQL, C# and JavaScript - HackerRank/SQL/02 - Advanced Select/03 - Occupations. 1 year ago + 2 comments. SET Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. ID = P1. com/2022/09/oc To understand the above solution, Try to print the inner SELECT query first. Generate the following two result sets: Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical (i. The partitioned table has to be ordered by NAME. Order This repo contains solutions to Tutorials, practice, and challenges of the HackerRank platform. In neither of the solutions do you guarantee to generate the results with the correct ordering. Learned many things from this problem MySql Solution. Please signup or login in order to view this challenge. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1 Query an alphabetically ordered list of all names in SQL Hackerrank Occupations Query Solutions in MS SQLServer. If you guys have any doubt Codes of Algorithms/Coding Competitions on Hackerrank with Python, JavaScript, C++ and SQL - HackerRank/Occupations. Learn about basic MySQL and My solutions to various HackerRank SQL problems using MySQL. WHEN A + B <= C OR A + C <= B OR B + C <= A THEN ' Not A Triangle ' WHEN A = B AND B = C THEN ' Equilateral ' That is why whenever I do stuff like this I put the order by in a subquery that is used by such incrementing calculations. Generate the following two result sets: Query an alphabetically ordered list of all names in OCCUPATIONS, immediately followed by the first letter of each profession as a parenthetical You signed in with another tab or window. 3 years ago + 0 comments. This is my solution in MySQL, the MAX() is the aggregation function that need to be added so that I can use the Group by function. Sep HackerRank SQL track solutions. 9 years ago + 55 comments. If you do not include the row_number() you will just print one row of data. Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. The output column headers should be Doctor, Professor, Today, I want to share a simple solution to a challenging Hackerrank problem using MySQL. Reload to refresh your session. Since the root node already satisfies the first WHEN clause, P IS NULL, the whole CASE expression will evaluate to what is in the first THEN clause, i. A solution. Share. HackerRank concepts & solutions. MySQL solution. JOIN PACKAGES P1 ON S. Mysql solution: SELECT MAX(CASE WHEN OCCUPATION = 'Doctor' THEN NAME ELSE NULL END) Create a HackerRank account Occupations. I translated your solution to something that works in MS SQL. - raleighlittles/HackerRank-SQL /* Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. This is my MySQL solution, feel free to ask me any questions. The problem involves querying a list of all names in the “OCCUPATIONS” table, along with the first letter Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Working Platform:- DB2, MySQL, Oracle, MS SQL Server */ Select S. For example: HackerRank concepts & solutions. CITY Solution – Average Population in SQL MySQL select floor(avg(population)) from city; Disclaimer: The above Problem (Average Population) is generated by Hacker Rank but the Solution is Provided by CodingBroz. Works like charm, but Please suggest is there is any other optimized way to write this. Sign in Product Occupations: mySQL: Advanced Join. MySql Occupations. MySQL pivot solution. quang1412966. SELECT CONCAT("There are a total of ", COUNT(Occupation), ' ', LOWER(Occupation), "s Simple and easy to understand MYSQL Solution select min ( Doctor ), min ( Professor ), min ( Singer ), min ( Actor ) from ( select Row_Number () over ( partition by occupation order by name ) as row_num , case when occupation = "Doctor" then name end as Doctor , case when occupation = "Professor" then name end as Professor , case when HackerRank concepts & solutions. Query the number of ocurrences of each occupation in OCCUPATIONS. The output column headers should be Doctor, You signed in with another tab or window. Codes of Algorithms/Coding Competitions on Hackerrank with Python, Problem Link: https://www. For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). 6 of 6 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Saved searches Use saved searches to filter your results more quickly 📅 Last Modified: Mon, 27 Aug 2018 21:27:49 GMT. Sign in Product Occupations: MySQL: Occupations: Intermediate: 4: Binary Tree The solutions of all SQL hackerrank challenges using MySQL environment medium and hard challenges on HackerRank executed on MySQL environment compiled with helpful Resources & references related to the challenges. Jun 9, 2022--Listen. com/watch?v=tCjXUAeJoDsCopy code from here:https://dev19community. I did not go through all the comments so may be someone already came with this solution. actor from ( select row_number () over ( order by o . Using window functions to assign row numbers partitioned by occupation, then grouping by those row numbers. FRIEND_ID = P2. sql at main · Surabhi195/HackerRank-SQL-Challenges-Solutions I used a similar query, but my order for the professors is incorrect. My Soution in MySQL with detailed explantion at the end :--Pivot the OCCUPATIONS table and display names alphabetically under each occupation. The explanation section of the problem states: The results of the second query are ascendingly ordered first by number of names corresponding to each profession (2 <= 2 <= 3 <= 3), and then alphabetically by profession (doctor <= singer, and actor <= professor). ; The third column is an alphabetically ordered list of Singer names. Occupations. with cte1 as (Select name, rank() Query the name and abbreviated occupation for each person in OCCUPATIONS. Karim Reyes · Follow. amrahs. Annotated solutions to HackerRank's SQL domain questions. 65%. We use cookies to ensure you have the best browsing experience on our website. Submissions. Skip to content. Let me break it down in steps (answer in MySQL) Step 1: Create a virtual table in your head of the data given to us. 1 week ago + 0 comments. 7780 ORDER BY LAT_N ASC LIMIT 1; 0 | Permalink. where LAT_N is the northern latitude and LONG_W is the western longitude. order by total. 1) The PADS. Write a query to print the hacker_id, name, and the total number of challenges created by each student. professor , tbl3 . rexhasib. Note: Print NULL when there are no more names corresponding to an occupation. In some other solutions you can often see Problem. The solutions of all SQL hackerrank challenges using MySQL environment - padhs/HackerRank-SQL-sol. Jenny Ashley Here is my solution in MS SQL Server: SELECT [Doctor], [Professor] Pivot the Occupation column so the Name of each person in OCCUPATIONS is displayed underneath their respective Occupation. ifelight. hackerrank. sql at master · ynyeh0221/HackerRank. 09%. doctor , tbl2 . name as doctor from occupations o where o . ; The empty cell data for columns with less than the maximum number of names per occupation Contribute to vrushalird/HackerRank-SQL-Solutions development by creating an account on GitHub. singer , tbl4 . Return to all comments →. Click here to see solutions for all Machine Learning Coursera Assignments. I'd like to know how MySQL is understanding this part of code. Occupations explanation - mtthwmths/hackerrank-solutions GitHub Wiki HackerRank-AdvancedSelect-Occupations - pivot, row_number 1 minute read Occupations - pivot, row_number. Navigation Menu Toggle navigation. It is guaranteed that the difference between the End_Date and the Occupations. SELECT Name || "(" || SUBSTRING(Occupation, 1, 1) || ")" AS Jobs FROM occupations UNION SELECT "There are a total of " || COUNT(*) || " " || Contribute to iainmuir6/HackerRank-mySQL-Solutions development by creating an account on GitHub. youtube. SELECT DocTable. yxih ccsv lcyml fwfc wnple mgmb tmoc gwool mwog dxi