Sales percent hackerrank sql question example. - Ishika63/HackerRank-SQL-Intermediate-Solution .

Sales percent hackerrank sql question example quantity * ((op. I have a table with two columns - you can call the table below SalesSummary, for example: Rank, Sales Dollars 1, $700 2, $200 3, $100 I would like to write a query to add a new column - cumulative sales percentage: Rank, Sales Dollars, Cumulative Sales Percentage 1, $700, 70% 2, $200, 90% 3, $100, 100% Challenges-1: Write an SQL query to find the best seller by total sales price. MARKS BETWEEN G. txt Will be adding Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Contribute to aghodke24/HackerRank-Sql-Advanced-questions development by creating an account on GitHub. Step 2: then, we created a dictionary to store the name and marks of students. 69952 1. Return distributor ID , If there is a tie, report them all. You switched accounts on another tab or window. Apart from SQL, the other rounds are Case studies on online food business and your past project discussion. 56. Revising the Select Query I. Malika. dataelephant dataelephant. Sample Solution-1: SQL Code(MySQL): CREATE TABLE item (item_code int not null unique, item_desc varchar(255), cost int); INSERT INTO item VALUES(101,'mother board', 2700); INSERT INTO item VALUES(102 Hard SQL (Intermediate) Max Score: 50 Success Rate: 85. Questions Example. Sub-queries: Enhance your querying Here’s the code solution for the approach mentioned above. Guestbook. About; Products Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 65%. Ok. sub_cat_code; total_amount; The total_amount contain sometimes positive and sometimes negative value. Difficulty : Easy. Name ELSE NULL END) AS NAME, G. ). The provided code stub is read in a dictionary containing key/value pairs of name:[Marks] for a list of students. We will be using these tables to perform various query operations. ----- Business Questions To Answer-----Generic Question How many unique cities does the data have? In which city is each branch? You signed in with another tab or window. The assignment will comprise SQL and Python coding questions, the latter related to an ML problem like time series forecasting. HackerRank - Finding the percentage solution. This is the best place to expand your knowledge and get prepared for your next interview. We use cookies to ensure The subquery selects the sales_date (s. Share. Query the number of ocurrences of each occupation in OCCUPATIONS . SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. 74%. Successful candidates will be invited to complete an online assessment via Hackerrank. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms. This is hard SQL question asked in DELL and MICROSOFT interview published at SQL Interview Questions and Answers for Freshers 1. be/35gj Challenges-1: Write an SQL query to find the best seller by total sales price. Hackerrank Test. 2D Array - DS. It includes solutions to 25 questions in the SQL (Basic)/ SQL (Intermediate) Select Skill in the Easy and Medium Diffic That site doesn't seem to ever show your the output from your submission, unhelpfully, but does with just 'run code'. 7 System Design Questions. 15%. Explanation: In this query, we use the YEAR() and MONTH() functions to extract the year and month from the Order_date column. The formatting was all done in SQL*Plus; we don't want to format the data (convert it to strings) in the SQL query, since perhaps this is not the final product; its output may be I haven't done HackerRank tests before, so cannot speak to those. We use cookies to ensure you have the best browsing experience on our website. (90% asked Level up your coding skills and quickly land a job. and ?. 95%. So, without wasting any time, let’s jump to the This is a new question Hackerrank has added for the advance level SQL certification. Click here to see more codes for NodeMCU ESP8266 and similar Family. Improve this question. It is a language used to interact with the database, i. need to write a query calculates country-wise sales for all of the car models along with the total_sales generated for the year 2020 in ascending order Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. Navigation Menu Toggle navigation hours worked in a day, hours are truncated to their integer part. . This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Hacker rank SQL intermediate solution. Example Input: Answer: Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. python3 hackerrank-python hackerrank-solutions Saved searches Use saved searches to filter your results more quickly The last table in the dataset is sales_history. MIN_MARK and Sample Output. Solved. So in the array, we have two 1’s which form one pair of same colored socks and two 2’s which again makes Post displaying HackerRank sql problem solving questions and solution. As part of the 40 Top Intermediate SQL Interview Questions and Answers. of questions 2 questions. This is a To answer this question, it really depends on the role. The following questions are from a combination of a few different jobs I have interviewed for. With the sample data in Contribute to Bowale97/HackerRank-SQL development by creating an account on GitHub. Step 5: we have also taken the input of scores and stored them in a list. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. Basic In this video, you will be solving a SQL Interview question that has been asked in HackerRank assessment of Meesho. The STATION table is described as 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 questions can range from intermediate to difficult levels and focus on SQL queries, joins, window functions, and DBMS concepts. Inserting a Node Into a Sorted Doubly Linked List. Sales_Qty), D_Customer. senior_manager_code)), This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. I Have a table of Monthly Sales Quarter Month Monthly Sales 1 Jan 586 1 Feb 204 1 Mar 465 2 Apr 684 2 May 756 2 Jun 97 Now I want a result a below How to Get Monthly/Quarterly Sales Percent. I have three tables: CREATE TABLE Movie ( movieId INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY, title VARCHAR(255) NOT NULL, moviePath VARCHAR(500) NOT NULL ); CREATE TABLE Rating ( rid INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY, mid INTEGER FOREIGN KEY REFERENCES I have a T-SQL query that is calculating the sum of sales by country: SELECT SUM(F_Sales_Month. Which of the following SQL commands will find the ‘nth highest Sales’ if it exists (returns These are just a few examples of Bloomberg interview questions that you may encounter on Hackerrank. Interview Preparation. Exploratory Data Analysis (EDA): Exploratory data analysis is done to answer the listed questions and aims of this project. The marks can be floating values. Now, I need to find the percentage of sales and percentage of return using following For example, if there are three Hackerrank SQL Practice questions-P7. Grade >7 THEN S. Calculate the 7-day moving average of daily sales. Test duration 35 mins. HackerRank SQL Problems and Solutions —2. Tell me with examples. How to access and use 2d-arrays. It was 2 questions in a one-hour time slot that were actually pretty complicated. This includes looking at regional sales trends and JDBC basic example For Select Query For explanation watch video: For Creating Table:: SQL> create table emp60(srno int,fname varchar2(10)); Table created. HackerRank. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution The sample data is available for Oracle, SQL Server, MySQL, and Postgres, and is stored on my GitHub repository. This is a moderate SQL interview question from Zillow Level up your coding skills and quickly land a job. SELECT count(*) /*count of transactions*/ FROM transactions WHERE /*Transactions in the last two months*/ transaction_date > DATEADD(mm, -2, GETDATE()) /*For customers that have had a sale today*/ customer_number in (SELECT customer_number if its decimal when you try ( p. Complex Joins: Navigate through intricate relationships between tables. By detailing sales figures per city and This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. SELECT YEAR(o. The Binary Tree below illustrates the sample: why below solution is not working : select n, CASE when P is null then 'Root' when (select count(*) from BST where n = p)>0 then 'Inner' else 'Leaf' end as nodetype from BST order by n Answer: SQL QUESTION 3: Can you explain the difference between . It stands for Structured Query Language and was developed by IBM in the 1970s, SQL This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. price * op. 1. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures Amazon’s Second Earliest Bid Solution: To solve this Amazon SQL interview question, our goal is to identify the second bid placed by each customer on any day they make at least two bids. 23%. need to write a query calculates country-wise sales for all of the car models along with the total_sales generated for the year 2020 in ascending order This repository contains solutions to various SQL challenges from HackerRank. Click here to see more codes for Raspberry Pi 3 and similar Family. Skip to content. sql; postgresql; Share. Sample Input. SELECT TOP 20 Percent SQL. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Products Sales Per City(Solution-1,2). x), the exchange rate (e. Easy. By detailing sales figures per city and identifying customers who spent 25% or less than For example: AnActorName(A), ADoctorName(D), AProfessorName(P), and ASingerName(S). Problem 1. You’ll find problems that require JOINs, GROUP BY, filtering, CTEs, and window functions here. After the initial screening, you’ll be asked to complete a HackerRank take-home assignment. Host and manage packages ServiceNow asked these 10 SQL interview questions in recent Data Analyst, Data Science, and Data Engineering job interviews! Say for example you had sales analytics data from ServiceNow's CRM (customer Top SQL Interview Question — HackerRank | TOP COMPETITORS. Using Derek's previous video as an example, create another running total. 90411 Joe. productid FROM product p LEFT JOIN orderline o ON In the array, lets suppose we have arr= [1,1,2,2,3]; (array might not always be sorted). It has the following columns: This example is a typical use of a self-join: the table has a column you can get more of the same in our SQL JOINS course or the article about To answer this question, it really depends on the role. Steps Used in solving the problem - Step 1: First, n will take input for a total number of students. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. 2. txt Will be adding Here’s the code solution for the approach mentioned above. Improve this answer Here are the questions I was asked for the SQL + Excel technical portions. Malika 52 56 60. Initialize Test Data. 82%. Can anyone help? There were a number of contests where participants each made number of attempts. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked in the HR Level up your coding skills and quickly land a job. Binary Tree Nodes. Modified 9 years, This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Host and manage packages Here are the questions I was asked for the SQL + Excel technical portions. 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Programs / Questions Business Expansion(Solution-1,2,3). , last_name, monthly_sales, period FROM salesperson sp You can toss a subquery in your WHERE clause to find customers that have had sales today:. Sep 6, 2020. Print the average of the marks array for the student name provided, showing 2 Help determine which month of the year has the most sales and profit. 50 14001 | 48000 | 17. I want to calculate the month-by-month percent change, starting in August. Solve Challenge. Ask Question Asked 9 years, 6 months ago. SELECT count(*) /*count of transactions*/ FROM transactions WHERE /*Transactions in the last two months*/ transaction_date > DATEADD(mm, -2, GETDATE()) /*For customers that have had a sale today*/ customer_number in (SELECT customer_number After answering the original question people are very unlikely to check back for updates that are actually additional questions. sql; sql-server; oracle-database; I have a table with user incomes and i wish to calculate their income tax percentage based on that income. : MinLimit| MaxLimit| TaxRate 0 | 14000 | 10. Luck Balance. Reduced server/client network traffic: SQL stored produce contains all executable SQL Contribute to aghodke24/HackerRank-Sql-Advanced-questions development by creating an account on GitHub. Query all columns for all American cities in CITY with populations larger than 100000. Consider P1(a,b) and P2(c,d) to be two points on a Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Q2. What is SQL? SQL stands for Structured Query Language. 3. No. We then apply SUM() to calculate the total sales for each month, and group the results Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. It is important to practice a wide range of problems to ensure that you are well-prepared for your interview. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution SQL Script to Seed Sample Data. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Medium. Write a SQL query to find the second highest salary from the Employees table. If the original answer I provided answered your original question please click the checkmark next to the answer so that others know the question is closed. clause, but it is used to filter the groups of rows created by the clause rather than the rows of the table Packages. Stack Overflow. Easy Problem Solving (Basic) Max Score: 20 Success Rate: 93. Click here to see solutions for all Machine Learning Coursera Assignments. Certainly! Here are the queries for each of the top 10 SQL questions, along with example input and output tables: 7 min read This ultimate guide will take you through the top SQL interview questions for various data positions and tips to approach your next interview. Sample Output. Run the following script to create test tables and insert data. 50%. Skills Directory. This is not everything SQL Solution: Solve this NVIDIA Window SQL Question in our interactive coding environment and see an alternate solution!. Thanks. GRADE, S. The clause works similarly to the . Other roles, like data Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Benefits of SQL Stored Procedure. Let us start by taking a look at some of the most asked Amazon’s Second Earliest Bid Solution: To solve this Amazon SQL interview question, our goal is to identify the second bid placed by each customer on any day they make at least two bids. Unsolved. Sample Solution-1: SQL Code(MySQL): CREATE TABLE item (item_code int not null unique, item_desc varchar(255), cost int); INSERT INTO item VALUES(101,'mother board', 2700); INSERT INTO item VALUES(102 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. Country FROM F_Sales_Month INNER JOIN D_Custome Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. clause work in a window function?. Find out how to access it and load the data here: Sample Data for SQL Databases . Modified 5 This is also working with tables I had to build using SQL commands. Follow asked Jul 20, 2017 at 17:49. Step 3: After this, we created a for loop. Level up your coding skills and quickly land a job. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. Explanation. This test typically includes 3 SQL coding questions to be solved within 60 minutes with webcam proctoring. g. SQL Interview Questions for Cognizant : I have studied lot of websites and data related to the SQL interview questions for Cognizant technologies and different companies. Finding the Second Highest Salary For SQL Server: SELECT (CASE WHEN G. To practice this SQL translation skill can also check out the 60+ question on DataLemur Hackerrank SQL Questions @IanChriste Listen. Below are some of the most commonly asked This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. SELECT p. Country FROM F_Sales_Month INNER JOIN D_Custome The goal of /r/SQL is to provide a place for interesting and informative SQL content and discussions. This table contains Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. 15 Days of Learning SQL. How does the . Sort the occurrences in ascending Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. We then apply SUM() to calculate the total sales for each month, and group the results I've been doing SQL for several decades. Please ensure you have a stable internet connection. Can you provide an example? Answer: That's why IBM uses HackerRank for SQL query questions in interviews for Data Science, Solutions Architect, and & Data Engineering jobs. dunno where to ask this question so I will try here: i tried that amazon interview prep demo questions and got 2 questions of which neither one I passed all tests 11 Palantir SQL Interview Questions SQL Question 1: Average Sales Analysis. We can’t share the exact questions here, but following are the type of questions asked in SQL. txt If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. SQL. Subdomains. Krishna 67 68 69. Which leads me to believe it is the opposite. Other roles, like data Explanation: In this query, we use the YEAR() and MONTH() functions to extract the year and month from the Order_date column. Easy SQL (Basic) Max Score: 10 Success Rate: 95. Sample Input 0. Open main menu. Hard. 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. Sample SQL questions to assess your candidates for on-the-job skills. The issue is that the tax rate is different for each bracket e. company_code , a. Use skill tests for 500+ roles to identify the most qualified candidates. And I've have technical interviews where Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Exactly. 00. Ask Question Asked 9 years, 2 months ago. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Example “I would first analyze sales data of similar products. We recommend you to try the Here is an example of a SQL full outer join using the sales and . Best bloomberg sales I have a table in MS SQL DB which contains transactions of any company, there are two columns . discount + p. Coderbyte challenges included. Modified 9 years, Browse other questions tagged . SQL Question 8: Average Sales of IBM Products. Covered in subquery practice exercises 10, 11, 12, and 13. Here is example answer that worked: select a. Arjun 70 98 63. By their nature, system design questions are broad, open-ended questions with a variety of possible answers. This is a I've been doing SQL for several decades. 00: 125: 7093: 3/5/2020 for each product and the Very helpful too, thank you for providing me with another solution -> I did the following changes and it worked perfectly fine :) with resultTable as( select You signed in with another tab or window. Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to 4 decimal places. Skills. It's all about translating the word problem into SQL, which sounds easy, but the problems are written quite weirdly on HackerRank. Hacker 86870 got a score of 30 for challenge 71055 with a difficulty level of 2, so 86870 Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Step 4: inside for loop, we have taken an input of the name. Google SQL Interview Question:https://youtu. What should you consider for SQL interview preparation? Answer: When preparing for an SQL interview, you should take note of the following: – Familiarize yourself with fundamental SQL concepts, including joins, indexing, normalization, and aggregate functions. 11. FROM sales_amount s: The sales_amount table is aliased as s. JDBC basic example For Select Query For explanation watch video: For Creating Table:: SQL> create table emp60(srno int,fname varchar2(10)); Table created. I was not able to solve it at all. Correlated subqueries: Create subqueries that reference columns from the outer query, enabling context-aware filtering. Solve Problem. You are given two tables: Customers and O Help determine which month of the year has the most sales and profit. Where positive values indicates the sale and negative value indicates Returns. Published on November 5, 2020. – Use platforms like LeetCode or HackerRank to solve SQL problems and improve your query Given a sales table with sales amount stored in local currencies and an exchange rate table containing currency Ask questions, number etc. Most In this tutorial, we are going to solve the finding percentage problem of hacker rank. Writing a SQL select statement to calculate commission paid to sales employees fro the month of December. founder , count(distinct(e. We recommend you to try the In this article, we’ll explore some common SQL questions asked in Amazon interviews, complete with code examples and results using MySQL. The test was harder than some ‘intermediate’ level questions on hackerrank. 💡 You can get practice questions with hands-on coding on Interviews I have a T-SQL query that is calculating the sum of sales by country: SELECT SUM(F_Sales_Month. Welcome to our guide for aspiring TikTok Data Scientists! Let me spill the beans – having navigated the intricate data landscapes at FAANG and co-authored a book with my partner-in-crime, a seasoned data aficionado from Packages. Weather Observation Station. You signed out in another tab or window. 20%. - Ishika63/HackerRank-SQL-Intermediate-Solution Question 2: Product Sales per City. MARKS FROM STUDENTS S JOIN GRADES G ON S. In some positions, like product analysts - for example - you’ll use SQL everyday, and will likely be asked a wide range of SQL query questions. We recommend you to try the You signed in with another tab or window. Surprisingly it does seem to understand PL/SQL; and even more surprisingly it handles the set In this video we will discuss an SQL interview question that was asked in meesho's HackerRank online test. Sample Output 0. OrderDate) as [Sales Year], MONTH(o. Sep 16, 2024 This is hard SQL question asked in DELL and MICROSOFT interview published at You can toss a subquery in your WHERE clause to find customers that have had sales today:. Please read our cookie policy for more information about how we use cookies. 19. Only the code snippet of the function has been provided below, that you can paste in HackerRank editor below the // Complete the sockMerchant function below. Explanation 0. Beginner Certification Merit Rewards : Write a query to find employee Ids along with names of all employees who worked Inside you will find the solutions to all HackerRank SQL Questions. Reload to refresh your session. So the out put is show t Skip to main content. We recommend you to try the We have created three sample tables: Student Table, Program Table, and Scholarship Table. New Companies. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. tables: SQL Question 6: Find All Customers who have made a Booking in the past month and Have Given a Review Score above 3 Stars. Ask Question Asked 5 years, 6 months ago. View Jobs. – You signed in with another tab or window. Status. Run Start with 20 Basic SQL Questions for Practice. HackerRank SQL Question 10. Each record contains the student's name, and their percent marks in Maths, Physics and Chemistry. This time, create a running total of standard_amt_usd meaning from sales of all types of paper) compares to the next order's total revenue. discount) / 100 )) with value for example : select ( 1000 * 1 * ((1 + 1) / 100 )) it work curectly it return 20 mean 2% of 1000 with extra braces because multiply has a higher precedence than add - assuming these are both percentage discounts? Share. OrderDate) as [Sales Month], How Do You Like Using Advanced SQL Queries in Financial Data Analysis? I intended to show you relatively advanced SQL practices that allow you to analyze financial data and create reports. sale_id product_id sale_date sale_amount; 22: 5011: 3/1/2020: 55. These Swiggy Data Analyst Interview Questions will help you in understanding the preparation level. I was able to get the 1st question done after a bit of time figuring out the web interface and reading and rereading the requirements to try and figure out why exactly it was failing on the validation steps. e to create a database, to create a table in the database, to 25 Advanced SQL Interview Questions for Data Scientists; Top 10 Advanced Data Science SQL Interview Questions You Must Know 3 More SQL Aggregate Function Interview Questions for Data Science; 24 SQL Questions You Might See on Your Next Interview; KDnuggets News, May 4: 9 Free Harvard Courses to Learn Data The Binary Tree below illustrates the sample: why below solution is not working : select n, CASE when P is null then 'Root' when (select count(*) from BST where n = p)>0 then 'Inner' else 'Leaf' end as nodetype from BST order by n I have three tables: CREATE TABLE Movie ( movieId INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY, title VARCHAR(255) NOT NULL, moviePath VARCHAR(500) NOT NULL ); CREATE TABLE Rating ( rid INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY, mid INTEGER FOREIGN KEY REFERENCES A key point is that stored procedures are stored in the database rather than in a separate file. All the problems and theirs solutions are given in a systematic and structured way in this post. Unions: Combine results from multiple queries efficiently. These You have to join the other tables involved (based on the schema shown) and use conditional aggregation, to get a split by category id. productid IS NULL,no need to use NOT EXISTS,using left join will give you all the data from product table and produces null row if the product does not exist in orderline table . Articles Works Shiny Snippets Resume About Contact. But I'm an IT guy who has been doing SQL since VERY EARLY ON, so I've got like 30 years of SQL experience in industry settings. Hacker 86870 got a score of 30 for challenge 71055 with a difficulty level of 2, so 86870 earned a full score for this challenge. In this section, we take a look at the 40 most popular intermediate SQL questions and answers, so that you'll know what to expect from your interviewer. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Subquery in SELECT clause: Include a Given a sales table with sales amount stored in local currencies and an exchange rate table containing currency conversion rate, to get total sales amount in USD for each sales date I need query Sample Questions. You have a record of N students. We use cookies to ensure you have Are you preparing for a SQL interview? SQL is a standard database language used for accessing and manipulating data in databases. This is the last thing I tried: Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. How could I do that within my SQL query? TIA. Sample Query. 50 48001 | 70000 | For example, in between the Top 20 out of 10 People is 2. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Question Source: Dive deeper into SQL with complex joins, unions, and sub-queries. There are a number of different types of system design questions hiring managers A median is defined as a number separating the higher half of a data set from the lower half. Sales: model_id, country_id, quantity, sales_date; All the country-wise sale records of its cars in table sales, storing quantity sold on a particular date. lead_manager_code)),count(distinct(e. Carefully selected 27 interview questions for advanced SQL. Some sample examples of Questions from Hackerrank. Easy Problem Solving (Basic) Max Score: 15 Success Rate: 93. exchange_rate) and calculates a row number for each row. We use cookies to ensure you have the best browsing In general Swiggy emphasises on SQL a lot. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Example Input. Sample For example, if the company_codes are C_1, C_2, and C_10, then the ascending company_codes will be C_1, C_10, and C_2. qnbrzi fji leajgsr ocg uhv ekurc sagy upcwa artmfi cszdg