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Sales data for all customers and products sql hackerrank solution oracle. All my solutions for the SQL challenges on Hackerrank.

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Sales data for all customers and products sql hackerrank solution oracle QNTY FROM CUSTOMER_T CUST, ( SELECT X. This article talks about performing relational division in SQL in great detail and helped to clear things up a lot for me, Generate the contest leaderboard. WHERE (SALARY*MONTHS You signed in with another tab or window. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. com/dev. Please check 1. SQL-Business-Expansion and 2. using multiple common table expressions , dense_rank , Join and group_concat SQL Query Help for Chart Data. Read more . Write a query to find the employee IDs along with the names of all its employees who work in the HR department who earned a bonus of 5000 dollars or more in the last quarter. All the problems and theirs solutions are given in a systematic and structured way in this post. Last commit date. P(R) represents a pattern drawn by Julia in R rows. All Solutions in Hackerrank SQL Section. Personal HackerRank Profile View Profile hackerrank solutions github | hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures | hackerrank solutions algorithms | hackerrank challenge | hackerrank coding challenge | hackerrank algorithms solutions github| hackerrank problem so Solutions to HackerRank's SQL challenges, from basic to advanced level, written in MS SQL Server. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. Here's what we have: The Problem: My Solution. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Return 3 Values: - Category - Is This Line Related To "Customer" Or "Product"? Print "Customer" Or "Product" Without Quotes. Enhancing University Recruiting: Juniper’s Success Story with HackerRank Here you will be able to find my HackerRank solutions to many challenghes, using C++, JavaScript, Python and SQL Correlated Materials Visit my Competitive programming guide and see also my HackerRank, GeeksForGeeks, Leetcode and other online judges solutions The repository is organized as follows: Easy: Beginner-level SQL challenges. I have taken Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. com/in/abhishweta-gupta-96078b1b9/ linkedin channel link: https://www. Kaggle uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Find and fix vulnerabilities Customer Stories Partners Executive Insights Open Source GitHub Sponsors. Hello coders, today we are going to solve Average Population HackerRank Solution in SQL. Establish a skills Problem. Ask Question Asked 3 years, 11 months ago. Key Features Here's how the SQL query might look: SELECT category, MIN(product_id), MAX(discount) FROM products GROUP BY category; This query first groups all products by their categories and then selects the product with the minimum product_id and maximum discount within each group. ID. Thousands of customers across various industries trust HackerRank for tech recruiting. Topics You signed in with another tab or window. - MahedeiHasan/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions. Query Optimization: Optimize your queries for better performance. Star 0. id WHEN category = 'product' THEN p. To succeed in an SQL You signed in with another tab or window. ; Hard: Advanced-level SQL challenges. 'name' is unique column name in 'Hackers' table; 'sum(score)': the 'score' here is actually the alias given by 'max(score)' in the subquery. File metadata and controls ,round(invoice_item. maxPrice You signed in with another tab or window. Copy path. It offers a quick overview of the process of creating an analytic view. The output column headers should be Doctor, Professor, Singer, and Actor, Try this one if you want to get the whole row, (supports most RDBMS)SELECT a. That site doesn't seem to ever show your the output from your submission, unhelpfully, but does with just 'run code'. The database is SQL Server 2008 R2. exchange_rate) and calculates a row number for each row. product_name END AS 'name' FROM ( SELECT CASE WHEN c. Query the average population for all cities in CITY, rounded down to the nearest integer. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. Geography. I'm looking to query the database to find highest revenue month for all the customers in the system. MySQL; Problem. ; Data Modeling: Design efficient and effective database structures. and tables using the field. CUSTOMER_ID, sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution hackerrank-sql-solutions-oracle hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-problems hackerrank-sql This is a new question Hackerrank has added for the advance level SQL certification. JOIN You signed in with another tab or window. id=invoice. So, without wasting any time, let’s jump to the Product GitHub Copilot. Id (Category="Customer") Or Learn who they are and how HackerRank helped transform their tech hiring. I then join the two tables returned by the functions. Answer: This query performs a join operation between the . SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. id THEN 'customer' WHEN p. But I'm struggling to figure out how to get highest revenue month-year from this data. x), the exchange rate (e. product_name, a. Find and fix vulnerabilities Actions. cochiseandcumbria Don't fall for the "Data is Beautiful" post with the mug. trying to find bigquery datasets that are not too memory intensive because Kaggle only allows me to use 5 terabytes of data a month. FROM STUDENTS S . All Solutions are made in the MSSQL Syntax. - jaquezux/SQL-hackerrank-solutions Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions You signed in with another tab or window. Enhancing University Recruiting I have the following SQL statement that shows the total sales amount for customers in cities who have done at least 2 orders. " Learn more Question Find customers who have never made an order. -- If more than one wand has same power, sort the result in order of descending age You can toss a subquery in your WHERE clause to find customers that have had sales today:. sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution hackerrank-sql-solutions-oracle hackerrank-sql-certificate hackerrank-sql-solution hackerrank-sql-problems hackerrank-sql Business, Economics, and Finance. Find and fix vulnerabilities - DB2, MySQL, Oracle, MS SQL Server */ Select S. customer_id LEFT JOIN invoice_item ii ON The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. So, without wasting any time, let’s jump to the I have tried to provide the complete solution with possible explanation to all SQL Practice problem on HackerRank. JOIN FRIENDS F ON S. category = b. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. customer_id. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution This Repository contains all the solutions of HackerRank various tracks. Top. You are viewing a single comment's thread. The questions asked are Invoices Per Country and Product Sales Per City. It then groups the result by month (using the function in PostgreSQL to isolate the month from the ), and product. quantity FROM (SELECT customer. - SQL-HackerRank-Solutions/1. Crack your coding interview and get hired. Topics Based on that the function will populate a table containing 12 rows. Surprisingly it does seem to understand PL/SQL; and even more surprisingly it handles the set serveroutput on, which is a SQL\Plus/SQL Developer client command. SELECT DISTINCT CITY FROM STATION WHERE CITY LIKE '[AEIOU]%[AEIOU]'; I've checked other posts regarding this very same problem, but none of the solutions presented seems to work in Problem. QNTY) MAXAMT FROM ( SELECT ORD. customer_name, a. But let say I only want to show the the city/cities where someone has done at least 2 orders, and that there are two customers living in this city/cities, so what I want to do is to pick out the city/cities where a customer has made at least 2 orders, but then show the Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. In the previous step, you added "ORC_HACKERRANK_USER" which is a user account that pulls in all the available HackerRank tests from your HackerRank account. Hello coders, today we are going to solve Draw The Triangle 1 HackerRank Solution in SQL. - qanhnn12/SQL-Hackerrank-Challenge-Solutions This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. ID = F. leaderboard sql query. The STATION table is described as follows:. Problem; Solution – Draw The Triangle 1 in SQL. Leaderboard. Tags analytic view, SH, sales history; Area SQL General; Contributor William Endress (Oracle) You signed in with another tab or window. FROM sales_amount s: The sales_amount table is aliased as s. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. 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. Updated Jun 27, 2020; The solutions of all SQL hackerrank challenges using MySQL . com/in/abhishweta-gupta-96078b1b9/ HackerRank Menu Toggle. Latest commit HackerRank-SQL-Intermediate-Certificate. I was not able to solve it at all. hackerrank solutions github | hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures | hackerrank solutions algorithms | hackerrank challenge | hackerrank coding challenge | hackerrank algorithms solutions github| hackerrank problem so The questions asked are Invoices Per Country and Product Sales Per City in HackerRank SQL Intermediate Certification Exam and solution is Azhar Khan . The problem description can be found as comments at the top of each file. Table of Contents. Fund open source developers To associate your repository with the hackerrank-sql-solutions-oracle topic, visit where LAT_N is the northern latitude and LONG_W is the western longitude. I believe the following query should work to identify the customer name with the highest amount derived from all orders in the current calendar year:. id = c. customer_name, p. 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; HackerRank SQL; HackerRank Functional Programming; CP Menu Toggle. quantity), 0) AS quantity FROM customer c LEFT JOIN invoice i on c. * FROM tbProduct a INNER JOIN ( SELECT Category, MAX(Price) maxPrice FROM tbProduct GROUP BY Category ) b ON a. ; Window Functions: Analyze and visualize data using window functions. The subquery selects the sales_date (s. Repo gathered by CodeRankGPT - Solve HackerRank coding problems during your coding interview, in real-time and undetectable 😎 Assign Additional User Accounts in Oracle Recruiting: HackerRank supports adding more than one user account on Oracle. productid FROM product p LEFT JOIN orderline o ON View all solutions Resources Topics. Topics 170+ solutions to Hackerrank. We are trying to select the first purchase for each customer in a table similar to this: transaction_no customer_id operator_id purchase_date 20503 1 5 2012-08-24 20504 1 7 2013-10-15 20505 2 5 2013-09-05 20506 3 7 2010-09-06 20507 3 7 2012-07-30 Hacker rank SQL intermediate solution. sql files for the solutions I submitted! Question 1: Business Expansion Add this topic to your repo To associate your repository with the hackerrank-sql-solutions topic, visit your repo's landing page and select "manage topics. Find and fix vulnerabilities - DB2, MySQL, Oracle, MS SQL Server */ SELECT MAX(SALARY*MONTHS), COUNT(*) FROM EMPLOYEE. Explore my GitHub repository to learn from my experiences and find In this project, I utilized MySQL Workbench to analyze extensive sales data from a supermarket. price = b. But you need to add a terminating / after your code, on a line on its own - Why this video is 7. id = p. DSA Learning Series; Leetcode; SQL. HackerRank SQL Problems and Solutions — 1. Role. Explore and run machine learning code with Kaggle Notebooks | Using data from Sales and Customer data. line_total_price), 2) AS tot FROM city ci, customer cu, invoice i, invoice_item You can also get HackerRank SQL Basic Certification Solutions – FREE SQL Certification. You signed out in another tab or window. NAME. Take your SQL expertise to the next level with advanced topics. Oracle supports the DATE keyword for introducing date constants using ISO-standard, unambiguous, non-locale-specific formats. -- Language: Oracle-- Julia just finished conducting a coding contest, and she needs your help assembling the leaderboard! On the basis of merit, a company decides to promote some of its employees in its HR division at the end of the quarter because of their high performance. id AS invoice_item_id, Hacker rank SQL intermediate solution. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. Top Earners. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. 19. The CITY is described as follows: Field Type; ID: This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. Learn more. inner join Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Problem; Input Format; Solution – Average Population in SQL. It showcases my growth, challenges faced, and solutions offered. 39. line_total_price,2) from city. sql files for the solutions I submitted! About. While solving all SQL problems from HackerRank, I came across multiple solutions for the same This query joins the Sales and Products tables on the product_id column, groups the results by product name, calculates the total sales revenue for each product, and ranks products based on total sales revenue using the SELECT c. CUSTOMER_ID, X. inner join invoice on customer. SELECT a. id AS product_id, invoice_item. ; Medium: Intermediate-level SQL challenges. Solution – Draw The Triangle 2 in SQL MySQL set @row := 0; select repeat('* ', @row := @row + 1) from These are suspicious and will all be reported as one sequence that starts at 8 AM, ends at 11 AM, with 5 transactions that sum to 150. city_id. - Id - Customer. Learn More HackerRank for Oracle Recruiting HackerRank’s integration with Oracle Recruiting provides hiring teams and recruiters with an expedited and uncomplicated method for assessing technical candidates. 9 years ago + 63 comments. HackerRank-Solutions / sql / intermediate / basic-join / top-competitors. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu Customer Stories Partners Executive Insights Open Source This repo contains Hackerrank Easy solution for Database Management System| SQL sql oracle hackerrank plsql hackerrank-solutions hackerrank-sql hackerrank-sql-solutions hackerrank-sql-solutions-oracle. : number of characters in the name). Navigation Menu Toggle navigation You signed in with another tab or window. - GitHub Product GitHub Copilot. The query shouldreturn all customers, even customers without invoices and also all products, even thoseproducts that were not sold. Solutions Basic Select Challenges Long ago Oracle introduced analytic functions for this kind of processing - to avoid joins, which may often be expensive (take a long time to process, compared to everything else in the query). This table contains sales data, including Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; Hackerrank SQL problem to solve in Oracle's SQL version. Tutorial Creating an Analytic View for the Sales History (SH) Sample Schema; Description This tutorial will create an analytic view and supporting objects using data in the Sales History (SH) sample schema. Top Earners | Easy | HackerRank We define an employee's total earnings to be their monthly salary × months worked, and the maximum total earnings to be the maximum total earnings for any employee in the Employee table. Output the first name of the customer. ; Advanced: Expert-level problems and more complex queries. Weather Observation Station 5 Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. SELECT first_name from customers WHERE first_name not in (select first_name from customers join orders on customers. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. ; Indexing: Explore the power of indexing for faster data retrieval. Business Expansion. QNTY, MAX(X. This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, SQL, C++, and Java. 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 . . sql files with the respective solution. clear all; HackerRank + Daugherty . id THEN 'product' END as 'category' FROM customer as This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, SQL, C++, and Java. Personal HackerRank Profile View Profile Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. ; Pivots in SQL: Transform your data with Qualify all column names with the appropriate alias. I have got the query working to pull customers monthly revenue from all the years for which the data is present. Company Size. id=customer. (SUM(ii. There are almost always multiple solutions to the same problem. By detailing sales figures per city and identifying customers who spent 25% or less than the average, this solution aids in strategic decision-making for optimizing sales and customer engagement. Write better code with AI Security. instagram. com/in/abhishweta-gupta-96078b1b9/ Please follow us https://www. List Customer And Product Without Sale In One List Return, All Customers Who Do Not Have An Invoice And All Products That Were Not Sold. You switched accounts on another tab or window. MYSQL SOLUTION. where LAT_N is the northern latitude and LONG_W is the western The solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank executed on MySQL environment compiled. You signed in with another tab or window. - mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Skip to content Navigation Menu SQL interview questions have been a critical component of technical hiring for decades. ; Each folder contains . The rows will be populated with data from the view if any sales available, if not the row will have 0 values. So, after reading some other materials and trying a few different things, I think I have a correct query. If you’re a data scientist or software engineer on the job market, the ability to demonstrate your database skills in an SQL interview is critical to landing your next role. Write a SQL query to determine the average monthly rating for each product. SELECT CUSTOMER_NAME, Y. category AND a. Write a query to find the maximum total earnings for all employees as well as the total number of employees who have maximum total Learn who they are and how HackerRank helped transform their tech hiring. Write better code with AI hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures | hackerrank solutions algorithms | hackerrank challenge | hackerrank coding challenge | hackerrank algorithms solutions Product GitHub Copilot. inner join customer on city. Order your output in descending order by the total number of challenges in which the hacker earned a full score. sql. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution You signed in with another tab or window. This is the only video you will need to improve you Customer Stories Partners Executive Insights Open Source GitHub Sponsors mysql sql oracle hackerrank mysql-database oracle-11g oracle-db oracle-12c oracle-database hackerrank-solutions hackerrank-sql hackerrank-sql-solutions. linkedin. SQL Query on Ranks. Help? 0. SQL-Product-Sales-per-City files for the solutions I submitted! Key competencies: Complex joins-This your help is needed to find all pairs of customers and agents who have Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. Since I know all tables will have twelve roves it's allot easier, and I can join on Product Category and Month: In this repository, you will find updated SQL solutions for all HackerRank problems as of 2024. Write a query to print the pattern P(20). -- Write a query to print the id, age, coins_needed, and power of the wands that Ron's interested in, -- sorted in order of descending power. Note that in SQL, MIN() selects the smallest value and MAX() selects the While this code may solve the question, including an explanation of how and why this solves the problem would really help to improve the quality of your post, and probably result in more up-votes. id END AS 'id', CASE WHEN category = 'customer' THEN c. Use The UNION Operator In This Query. Note: Round the average to the nearest integer. Sign in Product GitHub Copilot. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. - GitHub - kg-0805/HackerRank-Solutions: This Repository contains all the solutions of HackerRank various tracks. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. id AS customer_id, product. SELECT p. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Problem. The following pattern represents P(5):. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. MySQL solution-select (salary * months)as earnings ,count(*) from employee group by 1 order by earnings desc limit 1; 285 linkedin channel link: https://www. Return to all comments →. customer_name WHEN category = 'product' THEN p. The following pattern represents P(5): * . If there is more than one You signed in with another tab or window. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. Industry. Product GitHub Copilot. Solution: select * from CITY. Award results. HackerRank integrates with Oracle Recruiting Cloud for Tests and Interviews to facilitate an easy and seamless hiring experience. Aggregation. Solution. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution About. mysql. Starting today, I’m starting to solve HackerRank SQL exercises, and I’m excited to share how I do it with you! First up, I’ll be trying to -- to buy each non-evil wand of high power and age. These are not the only solutions. id = i. line_total_price), 2) AS tot FROM city ci, customer cu, SELECT category, CASE WHEN category = 'customer' THEN c. Updated Oct 12, 2024; Java; SagarMalik / HackerRank. This document walks through different use cases supported by the HackerRank—Oracle Recruiting Cloud (ORC) Integration and covers FAQs. Find and fix vulnerabilities Customer Stories Partners Executive Insights Open Source GitHub Sponsors You signed in with another tab or window. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. The result should have the following columns: sender , sequence_start , sequence_end , transactions_count , transactions_sum . ( dt, amt, src_curr, x_rate ) as ( select sales_date, sales_amount, currency, null from sales union all select effective_date, null You signed in with another tab or window. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. e. 0. Give a star For my work. - Ishika63/HackerRank-SQL-Intermediate-Solution Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. sample data in lines #1 - 6; query begins at line #7. product_name, Coalesce((ii. This is appears to be a query that can be solved with relational division and one way to achieve that is by utilizing nested NOT EXISTS queries. sql and 2. 1) Revising ALL Problem: Query all columns (attributes) for every row in the CITY table. Remember that you are answering the question for readers in the future, not just the person asking now. Navigation Menu Toggle navigation. id=orders. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). SQL> with station (city) as 2 You signed in with another tab or window. Input Format. Don't use BETWEEN on dates. linkedin channel link: https://www. sql hackerrank hackerrank-solutions sql-history hackerrank-30dayschallange hackerrank-sql hackerrank-statistics hackerrank-sql-solutions hackerrank-solutions-github sql-hackerrank hackerrank-sql-challenge hackerrank-solution Find the difference between the total number of CITY entries in the table and the number of distinct CITY entries in the table. cust_id) You signed in with another tab or window. Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. Despite being over four decades old, SQL is still evolving at a rapid pace. Finally, it calculates the average product rating (rounded to 2 decimal places with the Very basic SQL problem from HackerRank, but for some reason, the compiler will not accept my solution. Data Two tables: Customers and Orders. AI DevOps Security Software Development HackerRank-SQL(certification)-Product-Sales-Per-City. All my solutions for the SQL challenges on Hackerrank. select My journey of earning a SQL certification and tackling HackerRank SQL challenges. The objective was to gain insights into various aspects of the sales, including revenue generation, top-selling branches, customer segmentation, popular Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Problem 1. 2) Select by ID Problem: Query all columns for a city in CITY with the ID Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. - jaquezux/SQL-hackerrank-solutions You signed in with another tab or window. Submissions. Automate any workflow The questions asked are Invoices Per Country and Product Sales Per City in HackerRank SQL Intermediate Certification Exam and solution is Azhar Khan . Time components can cause the code to do things you don't expect. Discussions. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution If you want to get the products that does not exists in orderline table you can simply use LEFT join with WHERE orderline. 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 I have used MySQL and MS SQL Server for the solutions. Customer Spending. OK, Got it. srinath_deepika. It is an ad. Reload to refresh your session. CodeChef Menu Toggle. The above logic works with or without time components. After your test cases get passed!!!! Happy Learning!!!! Skip to content. community/Thanks for watching us Dev19🖤 HackerRank + Oracle Recruiting Merging cutting-edge technology to evaluate technical candidates with state-of-the-art recruiting tools. lwdgdv wqtlz hilupzs ote qpho jvkswo sqyhj jaiam hdoqhiv vfdm