Sales percent hackerrank sql question example. We use cookies to ensure you have .

Sales percent hackerrank sql question example 1. HackerRank SQL Problems and Solutions —2. FROM sales_amount s: The sales_amount table is aliased as s. Thanks. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Products Sales Per City(Solution-1,2). Hard. 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. Ask Question Asked 5 years, 6 months ago. Host and manage packages Here are the questions I was asked for the SQL + Excel technical portions. 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. Follow asked Jul 20, 2017 at 17:49. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Step 3: After this, we created a for loop. 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:. 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. 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. 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. g. clause work in a window function?. How to access and use 2d-arrays. sql; postgresql; Share. Some sample examples of Questions from Hackerrank. , 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:. 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). 11. discount + p. be/35gj Challenges-1: Write an SQL query to find the best seller by total sales price. The clause works similarly to the . Level up your coding skills and quickly land a job. Sample Input. We recommend you to try the Here is an example of a SQL full outer join using the sales and . As part of the 40 Top Intermediate SQL Interview Questions and Answers. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. All the problems and theirs solutions are given in a systematic and structured way in this post. No. 69952 1. The marks can be floating values. 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. Click here to see more codes for NodeMCU ESP8266 and similar Family. quantity * ((op. Revising the Select Query I. Example Input. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. 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). 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. 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. HackerRank - Finding the percentage solution. Sample Query. 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 🎓. This is a To answer this question, it really depends on the role. Name ELSE NULL END) AS NAME, G. 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. Malika. Malika 52 56 60. Using Derek's previous video as an example, create another running total. 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. of questions 2 questions. To practice this SQL translation skill can also check out the 60+ question on DataLemur Hackerrank SQL Questions @IanChriste Listen. Arjun 70 98 63. Contribute to aghodke24/HackerRank-Sql-Advanced-questions development by creating an account on GitHub. Medium. 2D Array - DS. SQL Question 8: Average Sales of IBM Products. About; Products Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 15 Days of Learning SQL. Click here to see solutions for all Machine Learning Coursera Assignments. 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. 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. Best bloomberg sales I have a table in MS SQL DB which contains transactions of any company, there are two columns . HackerRank SQL Question 10. 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. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. What is SQL? SQL stands for Structured Query Language. 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. 3. 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. This test typically includes 3 SQL coding questions to be solved within 60 minutes with webcam proctoring. The issue is that the tax rate is different for each bracket e. We can’t share the exact questions here, but following are the type of questions asked in SQL. 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. 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. This table contains Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. We will be using these tables to perform various query operations. 95%. Explanation. 65%. Hard SQL (Advanced) Max Score: 50 Success Rate: 78. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. Ask Question Asked 9 years, 2 months ago. JDBC basic example For Select Query For explanation watch video: For Creating Table:: SQL> create table emp60(srno int,fname varchar2(10)); Table created. 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. 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. 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. 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. - 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. You signed out in another tab or window. Krishna 67 68 69. 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. Grade >7 THEN S. The provided code stub is read in a dictionary containing key/value pairs of name:[Marks] for a list of students. You’ll find problems that require JOINs, GROUP BY, filtering, CTEs, and window functions here. 00. Subdomains. New Companies. We use cookies to ensure you have the best browsing experience on our website. 50 14001 | 48000 | 17. SQL. ). 2. 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. Skills Directory. Improve this question. Easy Problem Solving (Basic) Max Score: 20 Success Rate: 93. SELECT p. 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. Please ensure you have a stable internet connection. 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. 15%. 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. Difficulty : Easy. 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. 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. Test duration 35 mins. And I've have technical interviews where Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Solve Challenge. Modified 5 This is also working with tables I had to build using SQL commands. Write a SQL query to find the second highest salary from the Employees table. 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. Benefits of SQL Stored Procedure. and ?. 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. How could I do that within my SQL query? TIA. Sales_Qty), D_Customer. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Click here to see more codes for Raspberry Pi 3 and similar Family. We use cookies to ensure The subquery selects the sales_date (s. Ask Question Asked 9 years, 6 months ago. senior_manager_code)), This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Steps Used in solving the problem - Step 1: First, n will take input for a total number of students. Coderbyte challenges included. Exactly. exchange_rate) and calculates a row number for each row. Use skill tests for 500+ roles to identify the most qualified candidates. Explanation 0. Sample Output. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. – You signed in with another tab or window. 20%. 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. 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. After the initial screening, you’ll be asked to complete a HackerRank take-home assignment. 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. Sub-queries: Enhance your querying Here’s the code solution for the approach mentioned above. 7 System Design Questions. (90% asked Level up your coding skills and quickly land a job. . These Swiggy Data Analyst Interview Questions will help you in understanding the preparation level. It is a language used to interact with the database, i. Reload to refresh your session. Ok. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. This is the best place to expand your knowledge and get prepared for your next interview. 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. Published on November 5, 2020. MARKS FROM STUDENTS S JOIN GRADES G ON S. Carefully selected 27 interview questions for advanced SQL. So the out put is show t Skip to main content. Share. Most In this tutorial, we are going to solve the finding percentage problem of hacker rank. : MinLimit| MaxLimit| TaxRate 0 | 14000 | 10. 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. We recommend you to try the You signed in with another tab or window. GRADE, S. 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. price * op. View Jobs. Medium SQL (Intermediate) Max Score: 30 Success Rate: 96. MIN_MARK and Sample Output. Guestbook. 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. – 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. Hackerrank Test. Navigation Menu Toggle navigation hours worked in a day, hours are truncated to their integer part. SELECT YEAR(o. 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. This is a moderate SQL interview question from Zillow Level up your coding skills and quickly land a job. 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. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. ----- 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. We recommend you to try the We have created three sample tables: Student Table, Program Table, and Scholarship Table. Query the median of the Northern Latitudes (LAT_N) from STATION and round your answer to 4 decimal places. Basic In this video, you will be solving a SQL Interview question that has been asked in HackerRank assessment of Meesho. I was not able to solve it at all. This is not everything SQL Solution: Solve this NVIDIA Window SQL Question in our interactive coding environment and see an alternate solution!. Solve Problem. 50 48001 | 70000 | For example, in between the Top 20 out of 10 People is 2. 50%. Initialize Test Data. 💡 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. 82%. HackerRank. Easy. We use cookies to ensure you have the best browsing In general Swiggy emphasises on SQL a lot. It was 2 questions in a one-hour time slot that were actually pretty complicated. 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. Which leads me to believe it is the opposite. The following questions are from a combination of a few different jobs I have interviewed for. Step 4: inside for loop, we have taken an input of the name. Please read our cookie policy for more information about how we use cookies. Solved. 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. Writing a SQL select statement to calculate commission paid to sales employees fro the month of December. 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. 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. This is hard SQL question asked in DELL and MICROSOFT interview published at SQL Interview Questions and Answers for Freshers 1. 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 . Skills. sale_id product_id sale_date sale_amount; 22: 5011: 3/1/2020: 55. Apart from SQL, the other rounds are Case studies on online food business and your past project discussion. This is a I've been doing SQL for several decades. Each record contains the student's name, and their percent marks in Maths, Physics and Chemistry. Easy Problem Solving (Basic) Max Score: 15 Success Rate: 93. 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. txt Will be adding Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. 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. Unions: Combine results from multiple queries efficiently. Correlated subqueries: Create subqueries that reference columns from the outer query, enabling context-aware filtering. It's all about translating the word problem into SQL, which sounds easy, but the problems are written quite weirdly on HackerRank. 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. 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. Open main menu. You have a record of N students. Covered in subquery practice exercises 10, 11, 12, and 13. 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. By their nature, system design questions are broad, open-ended questions with a variety of possible answers. Modified 9 years, Browse other questions tagged . 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. 74%. Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Complex Joins: Navigate through intricate relationships between tables. It is important to practice a wide range of problems to ensure that you are well-prepared for your interview. 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. The assignment will comprise SQL and Python coding questions, the latter related to an ML problem like time series forecasting. Google SQL Interview Question:https://youtu. Weather Observation Station. 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. Binary Tree Nodes. Problem 1. Easy SQL (Basic) Max Score: 10 Success Rate: 95. dataelephant dataelephant. Example Input: Answer: Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Calculate the 7-day moving average of daily sales. Query the number of ocurrences of each occupation in OCCUPATIONS . Q2. 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 . 19. sub_cat_code; total_amount; The total_amount contain sometimes positive and sometimes negative value. clause, but it is used to filter the groups of rows created by the clause rather than the rows of the table Packages. founder , count(distinct(e. Exploratory Data Analysis (EDA): Exploratory data analysis is done to answer the listed questions and aims of this project. Find out how to access it and load the data here: Sample Data for SQL Databases . Run Start with 20 Basic SQL Questions for Practice. Question Source: Dive deeper into SQL with complex joins, unions, and sub-queries. Sep 6, 2020. Step 2: then, we created a dictionary to store the name and marks of students. I want to calculate the month-by-month percent change, starting in August. Inserting a Node Into a Sorted Doubly Linked List. Run the following script to create test tables and insert data. 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. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 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. Return distributor ID , If there is a tie, report them all. OrderDate) as [Sales Year], MONTH(o. 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. 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'. Questions Example. x), the exchange rate (e. SELECT TOP 20 Percent SQL. lead_manager_code)),count(distinct(e. 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. Here is example answer that worked: select a. With the sample data in Contribute to Bowale97/HackerRank-SQL development by creating an account on GitHub. Skip to content. 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. Explanation: In this query, we use the YEAR() and MONTH() functions to extract the year and month from the Order_date column. Articles Works Shiny Snippets Resume About Contact. How does the . 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. 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. Interview Preparation. 56. - Ishika63/HackerRank-SQL-Intermediate-Solution Question 2: Product Sales per City. Sample Output 0. 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. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution SQL Script to Seed Sample Data. Finding the Second Highest Salary For SQL Server: SELECT (CASE WHEN G. 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. 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). Can anyone help? There were a number of contests where participants each made number of attempts. Example “I would first analyze sales data of similar products. So, without wasting any time, let’s jump to the This is a new question Hackerrank has added for the advance level SQL certification. 23%. txt Will be adding Here’s the code solution for the approach mentioned above. Status. My Solutions to HackerRank Practice Questions on SQL, Python, and Algorithms. Successful candidates will be invited to complete an online assessment via Hackerrank. Country FROM F_Sales_Month INNER JOIN D_Custome Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. 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. 90411 Joe. The test was harder than some ‘intermediate’ level questions on hackerrank. 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. Improve this answer Here are the questions I was asked for the SQL + Excel technical portions. Tell me with examples. Unsolved. Luck Balance. 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. You are given two tables: Customers and O Help determine which month of the year has the most sales and profit. Sample Input 0. We then apply SUM() to calculate the total sales for each month, and group the results I've been doing SQL for several decades. Modified 9 years, This repository contains the solutions for HackerRank Beginner and Intermediate SQL Certifications. Query all columns for all American cities in CITY with populations larger than 100000. Step 5: we have also taken the input of scores and stored them in a list. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Hacker rank SQL intermediate solution. Sample SQL questions to assess your candidates for on-the-job skills. txt If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. MARKS BETWEEN G. The questions can range from intermediate to difficult levels and focus on SQL queries, joins, window functions, and DBMS concepts. Stack Overflow. You switched accounts on another tab or window. company_code , a. Where positive values indicates the sale and negative value indicates Returns. bkrx jaknqz ccmuzm amau esyp bkp xrcpl onstf cjp ybpjiy