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Hackerrank weather analysis sql Solution – Weather Observation Station 10 in SQL MySQL select distinct city from station where city not like '%a' and city not like '%e' and city not like '%i' and city not like '%o' and city not like '%u' You signed in with another tab or window. Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. Print the results in any order, but exclude duplicates from the answer. The value changes iteratively as you set the index starting at 0 to the COUNT(LAT_N) - 1. HackerRank Weather Observation Station 11 [duplicate] Ask Question Asked 3 years, 1 month ago. 75%. "i" is passed as an argument to the REGEXP_LIKE function for case_insensitivity. Easy SQL (Basic) Max Score: 15 Success Rate: 99. 6 months ago + 0 comments. With p1 as (Select min (Lat_N) as a, max (Lat_N) as b From Station), p2 as (Select min (Long_W) as c, max (Long_w) as d From Station) Select Cast (Sqrt Weather Observation Station 13. Here, 4 is passed because we want output scale up to 4 decimal points. A median is defined as a number separating the higher half of a data set from the lower half. a happens to equal the minimum value in Northern Latitude (LAT_N in STATION). 1. Solution – Weather Observation Station 13 in SQL MySQL select round(sum(lat_n), 4) from station where lat_n > 38. Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to 4 decimal places. Contribute to clmonahan/Hawaii-Weather-Analysis development by creating an account on GitHub. SQL (Basic) SQL Write a query to print the shortest and longest length city name along with the length of the city names. Solution – Weather Observation Station 20 in SQL MySQL SET @r = 0; SELECT ROUND(AVG(Lat_N), 4) FROM (SELECT (@r := @r + 1) AS r, Lat_N FROM Station ORDER BY Lat_N) Temp WHERE r = (SELECT CEIL(COUNT(*) / 2) FROM Station) OR r = (SELECT FLOOR((COUNT(*) / 2) + 1) This is a discussion of the first problem from the Advanced Hackerrank Skills test. "[]" (square brackers) are used to pass list of characters to check. Weather Observation Station 19. 9 years ago + 0 comments. Contribute to aghodke24/HackerRank-Sql-Advanced-questions development by creating an account on GitHub. Don't panic! This is a SockJS hidden iframe. Query a list of unique CITY names with even ID numbers. Query a list of CITY names beginning with vowels (a, e, i, o, u). sql at master · ynyeh0221/HackerRank Query a list of CITY names not starting or ending with vowels. I think it work only for ms sql sever2012 but won't work for oracle, Is there anything like "TOP" in oracle. *" (period operator followed by asterisk character) in REGEXP_LIKE function is used to match with zero or more instances of any character except Documentation and Best Practices: Ensure that there is comprehensive documentation for both Cat DP and SQL integration. SQL (Basic) SQL (Intermediate) SQL (Advanced) Join Easy : SQL (Basic) Photo by NOAA on Unsplash “Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. Weather Analysis 2. Navigation Menu Toggle navigation. com/watch?v=IxIO_I9vShE&ab_channel=TheCodingMentor With max AS There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Intermediate. correct code: SELECT DISTINCT CITY FROM STATION WHERE LEFT(CITY, 1) IN ('a', 'e', 'i', 'o', 'u'); here: left define first character; solution :- select distinct city from station where city not like '[a,e,i,o,u]%[a,e,i,o,u]'; The following tools and technologies are used in the project: SQL (MYSQL): Used for managing and storing the large amounts of weather data that is collected for the analysis. Query the list of CITY names ending with vowels (a, e, i, o, u) from STATION. Basic. Query CITY names that start AND end with vowels. Consider P1(a, b) and P2(c, d) to be two points on a 2D plane. pinyapat_mnbpl. Hidden Input File The input file has rows (), each containing an integer. Skip to content. 2. Please signup or 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 Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Query the list of CITY names from STATION that do not start with vowels. Modified 3 years, 1 month ago. where LAT_N is the northern latitude and LONG_W is the western longitude. Sort by. For more practice on a similar, s Weather Observation Station 1. Solution – Weather Observation Station 9 in SQL MySQL select distinct city from station where not (city like 'A%' or city like 'E%' or city like 'I%' or city like 'O%' or city like 'U%'); Problem. Here's what we have: The Problem: My Solution. You signed out in another tab or window. Visit the website for more information. elai_levine. Step 1: Sort the values in ascending and. sql. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures Weather Analysis There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. satishghosle01. Take the HackerRank Certification Test and showcase your knowledge as a HackerRank verified developer. https: Hackerrank SQL Solution #4Intermediate SQL - Weather Observation 20#sql #hackerrank #hackerrankcourse #codingcourse #sqlcourse #coding #solutions #interview STATION. HackerRank SQL Problems and Solutions —2. in oracle you can use WHERE I tried someting similar and got this result: Wrong Answer :( 1/1 test case failed Sample Test case 0 Compiler Message Wrong Answer Your Output (stdout) yeah , it's possible in both ways , but I have choosen then basic method for solving even though it is lenthgy WITH SortedLatitudes AS ( SELECT LAT_N, ROW_NUMBER() OVER (ORDER BY LAT_N ASC) AS RowNum, COUNT(*) OVER AS TotalCount FROM STATION WHERE LAT_N > 0 -- Only Northern Latitudes (positive LAT_N values) ) SELECT ROUND( CASE WHEN TotalCount % 2 = 1 THEN -- Odd count: return the middle value LAT_N ELSE -- Even count: Python, SQL, SQLAlchemy, matplotlib, pandas. Please signup or Saved searches Use saved searches to filter your results more quickly ms sql server. Weather Observation Station 1. Merit Rewards. Question Source: Hackerrank SQL: Weather Observation Station 20 Input Format. -1 | Parent Permalink. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions. It's used for cross domain magic. SELECT CITY, LENGTH(CITY) AS CITYLEN FROM STATION WHERE LENGTH(CITY) = (SELECT Query the median of Northern Latitudes in STATION and round to 4 decimal places. -- First longer Solution from the video https://www. The first is that @rowindex is more of a variable then an index. e. Though many experts are attempting to resolve the problem, none of them have been successful thus far. You switched accounts on another tab or window. select all the city from station where city start from AEIOU and end with anything. Home; HackerRank Certification; Artificial Intelligence; About Me; Blog; Contact; Join Our Job & Effective solutions to hackerrank. Create a HackerRank account Be part of a 23 million-strong community of developers. 2345; Disclaimer: The above Problem (Weather Observation Station 14) is generated by Hacker Rank but the Solution is Provided by CodingBroz. co Query a list of CITY names from STATION for cities that have an even ID number. Click here to see more codes for NodeMCU ESP8266 and similar Family. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. THe code you write here wich mean. SQL. MS SQL ANSWER: SELECT CAST (SUM (LAT_N) AS DECIMAL (10, 4)) FROM STATION WHERE LAT_N > 38. About. "[]" (square brackets) are used to pass the list of characters to check. Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in ConsiderP1(a, b) and P2(c, d) to be two points on a 2Dplane. tenebrismustdie. Weather Observation Station 10 Hackerrank Solution SQL*****If You want code click here:https://idiotprogrammern. The median is the 50th percentile of any set. Discussions. " $" character in REGEXP_LIKE function is used to check string ending with matching pattern. Problem 1. Student Analysis. recency | 3892 Discussions| Please Login in order to post a comment. . Solution: Explanation: SELECT CITY, STATE: This part of the query specifies that you want to retrieve the CITY and STATE Here is the Challange I completed about SQL on HackerRank. ". b happens to equal the minimum value in Western Longitude (LONG_W in STATION). “HackerRank SQL” is published by Isabelle in JEN-LI CHEN IN DATA SCIENCE. SELECT DISTINCT CITY FROM STATION WHERE CITY LIKE Query the median of Northern Latitudes in STATION and round to 4 decimal places. 7880 AND LAT_N < I'm not sure if the tables can be pulled down as sql dump file or not. Effective solutions to hackerrank. 3 weeks ago + 0 comments-- MS SQL Server. recency | 6786 Discussions| Please Login in order to post a comment. It will try check match with small as well as capital letters. Find and fix vulnerabilities SQL. Here, there are 499 records in station table. Write a query that gives month, Hello coders, today we are going to solve Weather Observation Station 4 HackerRank Solution in SQL. Certificate can be viewed here. Accelerate your Job Search. ashibcosmas. 7880 and lat_n < 137. 10 hours ago + 0 comments. Basic Select. Click here to see more codes for Raspberry Pi 3 and similar Family. Find and fix vulnerabilities Actions. for sql server users, there is a built in function that helps you with percentiles. for oracle: select round( sqrt((power(((min(lat_n))-max(lat_n)),2)+power((min(long_w)-max(long_w)),2))) ,4) from station; Sql one of the most important language asked in most of the analytics interviews, in this series i will be solving sql questions which are more relevant to q Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 23 hours ago + 0 comments. recency | 2227 Discussions| Please Login in order to post a comment. Query the median of the Northern Latitudes (LAT_N) from You signed in with another tab or window. If you are running your codes on "MS SQL Server" it will give you some "built-in function" problems (Like on mysql its written lengt() but on ms sql server its written len()) (Or "Limit 1" etc. Weather Observation Station 18. Weather Observation Station 20. Feel free to ask doubts in the comment section. Skill over pedigree. Try researching how IN operator works in SQL and whether it will filter with WILDCARD or not. from STATION and round your answer to 4 decimal places. ) One of the other solution which I tried was (on MS SQL Server); The first line contains an integer, , denoting the number of rows of data in the input file. Weather Observation Station 5. Status. percentile_disc is used to find a row in a set of records which is the nth percentile of that set. The STATION Link: HackerRank - Weather Observation Station 1. character in REGEXP_LIKE function is used to check string starting with matching pattern. "i" is passed as an argument to the REGEXP_LIKE function for The Best Place To Learn Anything Coding Related - https://bit. select distinct city from station where city not regexp '^[aeiou]' and city not regexp '[aeiou]$'; Write a query to print the shortest and longest length city name along with the length of the city names. I have taken HackerRank test on 9th Oct 2022. I'm just not sure it's possible, as I didn't see a way to download any csv or sql file data. Encourage the community to contribute to best practices documentation, which can serve as a valuable resource for users encountering difficulties. The second line contains the header for the tab-separated file; this line can be ignored, and is simply there to make the test case easier to read. 77 Write a query to print the shortest and longest length city name along with the length of the city names. Saved searches Use saved searches to filter your results more quickly Write a query to print the shortest and longest length city name along with the length of the city names. The STATION table is described as follows:. Recreated in the SQLite Online database. This means that the median is 250th record if the tabled sorted either asc or desc. Caret operator) character in REGEXP_LIKE function is used to check string starting with matching pattern. We have to sort this and find the mid value. Solved. There is a tale with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Azhar Khan . ; c happens to equal the maximum value in Northern Latitude (LAT_N in STATION). We use cookies to ensure you Query CITY names that start AND end with vowels. Sep 16, 2024. Solution – Weather Observation Station 3 in SQL SELECT DISTINCT CITY FROM STATION WHERE MOD(ID, 2) = 0; Disclaimer: The above Problem easiest solution select round(lat_n,4) from (select lat_n,percent_rank over (order by lat_n) as mid from station) as m where mid = 0. : number of characters in the name). 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. LAT_N of S table he is creating two tables which are one for number of LAT_N values less than S. Hackerrank SQL (Basic) Skills Certification Test Solutions. MS SQL Server Solution. CREATE TABLE [temperature_records] ([record_date] VARCHAR(10),[data_type] VARCHAR(10),[data_value] SMALLINT); STATION. 57 minutes ago + 0 comments. STATION. Weather Observation Station 4. FROM STATION; ---- But first, let’s go through the problem statement and what has been provided to us including different kinds of database systems (SQL commands are different for each one) to write the query for. 50%. Codes of Algorithms/Coding Competitions on Hackerrank with Python, JavaScript, C++ and SQL - HackerRank/Weather Observation Station 20. Here are solutions and databases from Hackerrank Certification Tests. ROUND Function is used to round the decimal numbers up to mentioned length after the decimal point. HackerRank, SQL, Basic Select, Weather Observation Station 1, STATION, Hacker, Rank, MySQL, DB2, Hive, Akshay Daga, APDaga, DumpBox, multiple columns SQL. Lists. cjmunozn. Automate any workflow Codespaces. These are the most common problems we encounter while integrating the Traffic Rider SQL to look into the matter. a happens to equal the minimum value in Northern Latitude (LAT_N in STATION). Write better code with AI Security. recency | 552 Discussions| Please Login in order to post a comment. Sign in Product GitHub Copilot. recency | 1375 Discussions| Please Login in order to post a comment. Return to all comments →. SELECT DISTINCT CITY FROM STATION WHERE CITY LIKE '[aeiou]%' AND CITY LIKE '%[aeiou]'; why it is not working? Very basic SQL problem from HackerRank, but for some reason, the compiler will not accept my solution. If there is more than one smallest or largest city, choose the one that comes first when ordered alphabetically. Click here to see more codes for Arduino Mega (ATMega 2560) and similar Family. You signed in with another tab or window. com Write a query to print the shortest and longest length city name along with the length of the city names. Editorial. Easy SQL (Basic) Max Score: 10 Success Rate: 98. Submissions. davidwarnerit4. 1 day ago + 0 comments. skool. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Please signup Weather Observation Station 1. Query the Euclidean Distance between points P1 and P2 and format your answer to display 4 ###Weather Observation Station 4. Viewed 2k times The point of solving hackerrank assignments is for you to research and learn as much as you can. Copy path. Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. ly/3MFZLIZJoin my free exclusive community built to empower programmers! - https://www. Aggregation. Take the HackerRank Skills Test. No description, website, or topics The first row contains integer, . ROUND(2. 37%. 5 months ago + 0 comments. Excel: Used for performing basic data I tried this exact code in MySQL and it returns: Amo 3 City len Marine On Saint Croix 21 In dividually, the two queries return the correct answers, but chaining them together adds that extra 'City len' print statement. 7685, 2) will return 2. Eg. Here, it is a,e,i,o,u. Problem. SELECT ROUND(CONVERT(decimal(10,4), long_w), 4) FROM station WHERE lat_n = ( SELECT MAX(lat_n) FROM station WHERE lat_n < 137. You are viewing a single comment's thread. I will try my best to Here are solutions and databases from Hackerrank Certification Tests. Write a query that gives month, monthly SQL Problem Statement: Query a list of CITY and STATE from the STATION table. It took me too much time to understand why i am not getting correct result in MS SQL whereas getting correct result in MYSQL with the same query. The STATION table is described as follows: where LAT_N is the northern latitude and LONG_W is the western longitude. - HackerrankC-SQL-Solution/Weather Analysis Solution at main · OFFICIALRAJNIKANT/HackerrankC Weather Observation Station 1. SQL (Basic) SQL (Intermediate) SQL (Advanced) Join Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. Weekend Hours Works. vi_nastya. Instant dev environments Weather Observation Station 5. Leaderboard. The second integer is the number of sessions on . com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Write a query to print the shortest and longest length city name along with the length of the city names. Seems like that would be more steps and make the process a lot more complicated, but I see how it would be easier to play with and understand so it's not a crazy idea. Each of the subsequent lines contains an integer denoting the number of user sessions for day (where ). For example, if there are three records in the table with CITY values ‘New York’, ‘New York’, ‘Bengalaru’, there are 2 different city names: ‘New York’ and To solve this problem, one must have a deeper understanding of SQL ,but I happy to solve it ,and the correct answer is: SELECT city, LENGTH(city) FROM station WHERE LENGTH(city) =( SELECT MIN(LENGTH(city)) FROM station ) ORDER BY city LIMIT 1; SELECT city, LENGTH(city) FROM station WHERE LENGTH(city) =( SELECT MAX(LENGTH(city)) You signed in with another tab or window. This tutorial is only for Write a query to print the shortest and longest length city name along with the length of the city names. Basic . Solve Challenge. The first integer is the number of sessions on . - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution You signed in with another tab or window. Solution – Weather Observation Station 14 in SQL MySQL select round(max(lat_n), 4) from station where lat_n < 137. Query a list of CITY names not starting or ending with vowels. Your result cannot contain duplicates. Approach - 1 (REGEXP) SELECT DISTINCT CITY FROM STATION WHERE CITY NOT REGEXP '^[aeiou]' AND CITY NOT REGEXP '[aeiou]$' Approach - 2 (SUBSTRING) Write a query to print the shortest and longest length city name along with the length of the city names. This is one question solution to the HackerRank SQL Basic Certification problem and this is shared for your increasing knowledge. Query the median of Northern Latitudes in STATION and round to 4 decimal places. 2345 ); I think the only problem could be the setting work place as not "MYSQL". Query the Euclidean Distance between two points and round to 4 decimal digits. Let NUM be the number of CITY entries in STATION, and NUMunique be the number of unique cities. In the query of alexseedkou for every S. Problem: A median is defined as a number separating the higher half of a data set from the lower half. select CITY, STATE from STATION; 0 | Permalink. Reload to refresh your session. Write a query to print the shortest and longest length city name along with the length of the city names. Write a query to print the CITY and STATE for each attribute in the STATION table. - Know thy self joins as they are occasionally handy /*The function SIGN returns the sign for the numeric SQL. 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 hackerrank Write a query to print the shortest and longest length city name along with the length of the city names. For example, if there are three records in the table with CITY values 'New York', 'New York', 'Bengalaru', there are 2 different city Sql one of the most important language asked in most of the analytics interviews, in this series i will be solving sql questions from hackerrank, hackerearth mysql solution. 3. The STATION table is described as follows: Welcome to our YouTube channel, your gateway to the fascinating world of Data Roles Interview Preparation! In this video we have solved a Sql Question from H Here are the solution of Weather Observation Station 18 you can find All HackerRank SQL Programming Solutions in Single Post HackerRank SQL Programming Solutions i think he saw the cities and looking for the largest len city he saw that there is no other city with that len so he omite to order alph the cities in the second one. Query the value of NUM−NUMunique from STATION. Weather Observation Station 11. ; b happens to equal the minimum value in Western Longitude (LONG_W in STATION). See below: HackerRank, SQL, Basic Select, Weather Observation Station 7, STATION, Hacker, MySQL, DB2, Hive, APDaga, DumpBox, regexp_like, right, like, function The Best Place To Learn Anything Coding Related - https://bit. 4 weeks ago + 0 where LAT_N is the northern latitude and LONG_W is the western longitude. youtube. co The Student Analysis SQL problem is a question presented in the HackerRank Basic SQL Certification exam. 42%. 2345; Contribute to aghodke24/HackerRank-Sql-Advanced-questions development by creating an account on GitHub. Unsolved. Logic is to sort ascending and descending, find the value that has same rank or row number in both orders. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Updated Aug Query the Euclidean Distance between two points and round to 4 decimal digits. ; d happens to equal the maximum value in Western Click here to see solutions for all Machine Learning Coursera Assignments. c happens to equal the maximum value in Northern Latitude (LAT_N in STATION Hello coders, today we are going to solve Weather Observation Station 9 HackerRank Solution in SQL. blogspot. Solution – Weather Observation Station 8 in SQL MySQL select distinct city from station where (city like 'a%' or city like 'e%' or city like 'i%' or city like 'o%' or city like 'u%') and ( city like '%a' or city like '%e' or city like '%i' or city like '%o' or city like '%u' ) The Best Place To Learn Anything Coding Related - https://bit. com practice problems in C++, python and SQL - IhorVodko/Hackerrank_solutions Verify your SQL Skills. Power BI/ Tableau: Used for creating interactive and visually appealing dashboards, charts and graphs that present the results of the weather data analysis. Skills. So i modified my query to get the correct anwer. LAT_N and one for number of LAT_N values greater than S. - Review of data shows values in that column have lengths of seven. Intermediate MS SQL SERVER solution. – Arun. - HackerrankC-SQL-Solution/Weather Analysis Database at main · OFFICIALRAJNIKANT/HackerrankC where LAT_N is the northern latitude and LONG_W is the western longitude. co How to Earn SQL (Advanced) Certification on Hackerank ? In this video, you'll learn how to earn free certification from Hackerrank*****Impor This is a great solution that shows up elsewhere as well but there are some details in the comments that are unclear. 5 Problem. I found out that in MSSQL there are trailing zeros present in the answer. A lesson that teaches you how to solve the problem Weather Observation Station 13 from the subcategory Aggregation from the SQL section in HackerRank. i. Consider P1(a, c) and P2(b, d) to be two points on a 2D plane where (a, b) are the respective minimum and maximum values of Northern Latitude (LAT_N) and (c, d) are the respective minimum and maximum values of Western Longitude (LONG_W) in STATION. LAT_N. aguw hutldg hfnfk dtoji jszjuf ycgc bcfyyu qaozezp dxxjnsj yncg