Sales data for all customers and products sql hackerrank solution oracle. Write better code with AI Security.

Sales data for all customers and products sql hackerrank solution oracle - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). ; Indexing: Explore the power of indexing for faster data retrieval. It offers a quick overview of the process of creating an analytic view. -- 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. Data Two tables: Customers and Orders. 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:. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. - 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. 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. Customer Spending. Query the average population for all cities in CITY, rounded down to the nearest integer. quantity FROM (SELECT customer. Establish a skills Problem. - GitHub - kg-0805/HackerRank-Solutions: This Repository contains all the solutions of HackerRank various tracks. All Solutions are made in the MSSQL Syntax. This table contains sales data, including Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. This document walks through different use cases supported by the HackerRank—Oracle Recruiting Cloud (ORC) Integration and covers FAQs. Thousands of customers across various industries trust HackerRank for tech recruiting. -- 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. That site doesn't seem to ever show your the output from your submission, unhelpfully, but does with just 'run code'. Solution. sql files for the solutions I submitted! About. This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. - 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. 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 🎓. 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. srinath_deepika. Solution: select * from CITY. You are viewing a single comment's thread. QNTY FROM CUSTOMER_T CUST, ( SELECT X. com/in/abhishweta-gupta-96078b1b9/ Please follow us https://www. Topics Based on that the function will populate a table containing 12 rows. product_name, Coalesce((ii. 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. 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. SELECT p. 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. Top. 9 years ago + 63 comments. It then groups the result by month (using the function in PostgreSQL to isolate the month from the ), and product. clear all; HackerRank + Daugherty . MySQL; Problem. 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 🎓. Learn more. 1) Revising ALL Problem: Query all columns (attributes) for every row in the CITY table. Give a star For my work. Return to all comments →. CodeChef Menu Toggle. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Oracle supports the DATE keyword for introducing date constants using ISO-standard, unambiguous, non-locale-specific formats. SQL-Business-Expansion and 2. Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. category AND a. Note: Round the average to the nearest integer. You switched accounts on another tab or window. 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. It showcases my growth, challenges faced, and solutions offered. You signed in with another tab or window. category = b. There is a table with daily weather data over the last 6 months of 2020, including the maximum, minimum, and average temperatures. maxPrice You signed in with another tab or window. 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. - qanhnn12/SQL-Hackerrank-Challenge-Solutions This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. 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. Topics 170+ solutions to Hackerrank. These are not the only solutions. 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. ; Each folder contains . 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 . I have taken Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. trying to find bigquery datasets that are not too memory intensive because Kaggle only allows me to use 5 terabytes of data a month. id AS product_id, invoice_item. Here's what we have: The Problem: My Solution. Remember that you are answering the question for readers in the future, not just the person asking now. 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. The query shouldreturn all customers, even customers without invoices and also all products, even thoseproducts that were not sold. id AS invoice_item_id, Hacker rank SQL intermediate solution. It is an ad. Explore and run machine learning code with Kaggle Notebooks | Using data from Sales and Customer data. Navigation Menu Toggle navigation You signed in with another tab or window. SQL> with station (city) as 2 You signed in with another tab or window. -- 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:. Help? 0. id=invoice. - jaquezux/SQL-hackerrank-solutions Question: Sales Data for All Customers and ProductsWrite a query that will return sales details of all customers and products. 0. 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. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. FROM sales_amount s: The sales_amount table is aliased as s. com/dev. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution This Repository contains all the solutions of HackerRank various tracks. ; Hard: Advanced-level SQL challenges. If you are using a different SQL Language (for example MySQL) you might have to adapt the solution a little. Updated Oct 12, 2024; Java; SagarMalik / HackerRank. x), the exchange rate (e. 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. 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. Aggregation. Tags analytic view, SH, sales history; Area SQL General; Contributor William Endress (Oracle) You signed in with another tab or window. 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. The following pattern represents P(5):. id = p. Industry. AI DevOps Security Software Development HackerRank-SQL(certification)-Product-Sales-Per-City. 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. WHERE (SALARY*MONTHS You signed in with another tab or window. The database is SQL Server 2008 R2. 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 . SELECT CUSTOMER_NAME, Y. 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. Query Optimization: Optimize your queries for better performance. JOIN FRIENDS F ON S. Please check 1. 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. Navigation Menu Toggle navigation. inner join invoice on customer. sql. Id (Category="Customer") Or Learn who they are and how HackerRank helped transform their tech hiring. 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. 19. price = b. 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. Geography. The STATION table is described as follows:. linkedin channel link: https://www. But I'm struggling to figure out how to get highest revenue month-year from this data. Answer: This query performs a join operation between the . 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. To succeed in an SQL You signed in with another tab or window. SQL Query on Ranks. Find and fix vulnerabilities Actions. mysql. 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. 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. 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. 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. . The rows will be populated with data from the view if any sales available, if not the row will have 0 values. 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. id=orders. Sign in Product GitHub Copilot. The subquery selects the sales_date (s. Reload to refresh your session. Table of Contents. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 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. 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. 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. Problem. The result should have the following columns: sender , sequence_start , sequence_end , transactions_count , transactions_sum . 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. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. ; Window Functions: Analyze and visualize data using window functions. cust_id) You signed in with another tab or window. Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. cochiseandcumbria Don't fall for the "Data is Beautiful" post with the mug. - 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. * FROM tbProduct a INNER JOIN ( SELECT Category, MAX(Price) maxPrice FROM tbProduct GROUP BY Category ) b ON a. ; Medium: Intermediate-level SQL challenges. Hello coders, today we are going to solve Average Population HackerRank Solution in SQL. Hello coders, today we are going to solve Draw The Triangle 1 HackerRank Solution in SQL. customer_name, p. select My journey of earning a SQL certification and tackling HackerRank SQL challenges. Crack your coding interview and get hired. 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. Company Size. - 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. NAME. customer_name, a. 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. My solutions of all the SQL challenges for all easy, medium and hard challenges on HackerRank. 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 was not able to solve it at all. SELECT a. Input Format. Find and fix vulnerabilities Customer Stories Partners Executive Insights Open Source GitHub Sponsors. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. sample data in lines #1 - 6; query begins at line #7. linkedin. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution About. But you need to add a terminating / after your code, on a line on its own - Why this video is 7. Despite being over four decades old, SQL is still evolving at a rapid pace. 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. Weather Observation Station 5 Query the two cities in STATION with the shortest and longest CITY names, as well as their respective lengths (i. 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. Role. 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. id AS customer_id, product. Problem 1. customer_id. I'm looking to query the database to find highest revenue month for all the customers in the system. CUSTOMER_ID, X. P(R) represents a pattern drawn by Julia in R rows. 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. 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. ID = F. HackerRank SQL Problems and Solutions — 1. - GitHub Product GitHub Copilot. Business Expansion. Award results. Return 3 Values: - Category - Is This Line Related To "Customer" Or "Product"? Print "Customer" Or "Product" Without Quotes. 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. ( 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. FROM STUDENTS S . 39. HackerRank integrates with Oracle Recruiting Cloud for Tests and Interviews to facilitate an easy and seamless hiring experience. 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. - MahedeiHasan/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions. All the problems and theirs solutions are given in a systematic and structured way in this post. id THEN 'customer' WHEN p. So, without wasting any time, let’s jump to the Product GitHub Copilot. " Learn more Question Find customers who have never made an order. HackerRank-Solutions / sql / intermediate / basic-join / top-competitors. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution You signed in with another tab or window. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. Time components can cause the code to do things you don't expect. ; Data Modeling: Design efficient and effective database structures. id WHEN category = 'product' THEN p. Copy path. 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. 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. This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, SQL, C++, and Java. - SQL-HackerRank-Solutions/1. sql files with the respective solution. QNTY) MAXAMT FROM ( SELECT ORD. Personal HackerRank Profile View Profile Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. DSA Learning Series; Leetcode; SQL. id=customer. Write a query that gives month, monthly maximum, monthly minimum, monthly average temperatures for the six months. com/in/abhishweta-gupta-96078b1b9/ HackerRank Menu Toggle. All my solutions for the SQL challenges on Hackerrank. Leaderboard. Updated Jun 27, 2020; The solutions of all SQL hackerrank challenges using MySQL . instagram. exchange_rate) and calculates a row number for each row. 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. ; Pivots in SQL: Transform your data with Qualify all column names with the appropriate alias. ; Advanced: Expert-level problems and more complex queries. customer_name WHEN category = 'product' THEN p. line_total_price), 2) AS tot FROM city ci, customer cu, SELECT category, CASE WHEN category = 'customer' THEN c. sql and 2. inner join customer on city. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. 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 . inner join Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. So, after reading some other materials and trying a few different things, I think I have a correct query. Use The UNION Operator In This Query. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. productid FROM product p LEFT JOIN orderline o ON View all solutions Resources Topics. The questions asked are Invoices Per Country and Product Sales Per City. Write better code with AI Security. Ask Question Asked 3 years, 11 months ago. Write a query to print the pattern P(20). line_total_price,2) from city. Write a SQL query to determine the average monthly rating for each product. city_id. product_name END AS 'name' FROM ( SELECT CASE WHEN c. You signed out in another tab or window. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. If there is more than one You signed in with another tab or window. Don't use BETWEEN on dates. id = i. - Id - Customer. leaderboard sql query. (SUM(ii. - 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. QNTY, MAX(X. The problem description can be found as comments at the top of each file. e. Output the first name of the customer. Problem; Input Format; Solution – Average Population in SQL. Order your output in descending order by the total number of challenges in which the hacker earned a full score. Latest commit HackerRank-SQL-Intermediate-Certificate. id = c. 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. - jaquezux/SQL-hackerrank-solutions You signed in with another tab or window. Find and fix vulnerabilities - DB2, MySQL, Oracle, MS SQL Server */ Select S. Find and fix vulnerabilities Customer Stories Partners Executive Insights Open Source GitHub Sponsors You signed in with another tab or window. Star 0. I then join the two tables returned by the functions. SELECT first_name from customers WHERE first_name not in (select first_name from customers join orders on customers. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions You signed in with another tab or window. There are almost always multiple solutions to the same problem. com/in/abhishweta-gupta-96078b1b9/ linkedin channel link: https://www. id END AS 'id', CASE WHEN category = 'customer' THEN c. Read more . The above logic works with or without time components. File metadata and controls ,round(invoice_item. Problem; Solution – Draw The Triangle 1 in SQL. Product GitHub Copilot. 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. and tables using the field. SELECT COUNT(CITY) — COUNT(DISTINCT CITY) FROM STATION ; X. OK, Got it. The following pattern represents P(5): * . 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. All Solutions in Hackerrank SQL Section. Kaggle uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Last commit date. I have got the query working to pull customers monthly revenue from all the years for which the data is present. 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. using multiple common table expressions , dense_rank , Join and group_concat SQL Query Help for Chart Data. 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. Submissions. JOIN You signed in with another tab or window. The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. product_name, a. Contribute to karunakaran186/Sql-intermediate-hackerrank-solutions development by creating an account on GitHub. Take your SQL expertise to the next level with advanced topics. 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). Top Earners. ID. quantity), 0) AS quantity FROM customer c LEFT JOIN invoice i on c. Topics You signed in with another tab or window. MYSQL SOLUTION. 'name' is unique column name in 'Hackers' table; 'sum(score)': the 'score' here is actually the alias given by 'max(score)' in the subquery. Discussions. - 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. : number of characters in the name). 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. Find and fix vulnerabilities - DB2, MySQL, Oracle, MS SQL Server */ SELECT MAX(SALARY*MONTHS), COUNT(*) FROM EMPLOYEE. cmviqbm bpbbbd rbin xzyn vtojfm hfbsl thpup rtuzpk imdp nztzr