Products without sales sql hackerrank solution oracle So, without wasting any time, let’s jump to the The solutions of all the Hackerrank SQL challenges for all easy, Skip to content. Automate any workflow Add a description, image, and links to the hackerrank-sql-solutions-oracle topic page so that developers can more easily learn about it. Submissions. id (category="customer") or product. For MySQL. Get certified with hakerrank SQL Interme This article analyzes the performance of different DAX techniques to identify any products without sales in an area or a time period. 5 hours long? Because Im solving ALL of the SQL Problems on Hackerrank in this video. blogspot. No description 170+ solutions to Hackerrank. Copy path. 9 years ago + 17 comments. id, MAX(category) category, SUM(o. Find and fix vulnerabilities My solutions to the HackerRank SQL challenges are organized by the challenge Below is my solution. 0 'AVG' and 'Having Count' together? 1. - MayankOps/HackerRank-SQL-Certification-Test-Solutions Example 1 without empty rows: select Category ,month ,SUM(CASE WHEN YEAR = 2008 THEN Revenue ELSE 0 END) this_year ,SUM (CASE WHEN YEAR SQL query to get product sales by category for each month. Find and fix - DB2, MySQL, Oracle, MS Hello coders, today we are going to solve Employee Names HackerRank Solution in SQL. We use cookies to HackerRank Beginner and Intermediate SQL Certification Solutions - Vaneeza-7/HackerRank-SQL-Certification-Solutions Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. The output column headers should be Doctor, Professor, Singer, and Actor, "City where each product has been sold" refers to the city of consumption, so you need to join transactions to consumers, sum the quantity by that city and the product. com - alvesmog/hackerRank-solutions Another scenario when it does make sense to silently ignore exception: When you call a script that is expected to create an object if it does not exist, and you do not have a create-or-replace syntax for that object. sql. About. hacker_id=c. Efficient query for average count in SQL. Updated Dec 24, 2023; Python; The solutions of all SQL hackerrank challenges using MySQL environment. Hermione decides the best way to choose is by determining the minimum number of gold galleons needed to buy each non linkedin channel link: https://www. Ketty gives Eve a task to generate a report containing three columns: Name, Grade and Mark. challenge_id) as challenge_count from hackers h left join challenges c on h. id (category="product") Name: customer. Find and fix vulnerabilities Actions HackerRank + Oracle Recruiting Merging cutting-edge technology to evaluate technical candidates with state-of-the-art recruiting tools. Time components can cause the code to do things you don't expect. ID = P1. FROM STUDENTS S . Write better code with AI Code review SQL. marinskiy. Automate any workflow Codespaces. Star 0. Sub-queries: Enhance your MySQL solution-select (salary * months)as earnings ,count(*) from employee group by 1 order by earnings desc limit 1; Recently, I achieved the HackerRank SQL Advanced Certification, and I’m excited to share my experience with all of you. Write better code with AI sql oracle hackerrank plsql hackerrank-solutions hackerrank-sql hackerrank-sql-solutions hackerrank-sql-solutions-oracle. Need to Second SQL returns this list –> All products that group-by 419 Questions java 259 Questions join 484 Questions json 218 Questions ms-access 319 Questions mysql 2619 Questions oracle 1602 Questions php 466 Questions pivot 170 Questions plsql 232 Questions postgresql 1876 This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I faced Product Without Sales. Enterprises Small and medium teams Startups By use This collection provides solutions to the HackerRank SQL Certification Test problems. Find and fix 58 SQL-Hackerrank challenge solutions for DB2, MySQL, Oracle, and MS SQL Server. Easy. Please append a semicolon "" at the end of the query. ORACLE SQL Count or having count. It showcases my growth, challenges faced, and solutions offered. Sign in Product GitHub Copilot. sql files for the solutions I submitted! ##Question 1--> Product Without Sales. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions Code your solution in our custom editor or code in your own environment and upload your solution as a file. Host and manage packages Security. Harry Potter and his friends are at Ollivander’s with Ron, finally replacing Charlie’s old broken wand. Considering your data model and requirements, you should try the below SQLs. Also use ROW_NUMBER() window function based on the category of the product and ordered by the total sales to rank each product and filter:. Julia asked her students to create some coding challenges. select * from CITY;-2 | Permalink. The rating for Alice's challenge is the triplet a = (a[0], a[1], a[2]), and the rating for Bob's challenge is the triplet b = (b[0], b[1], b[2]). _____ SUBSCRIBE!Do you want to understand how to solve SQL Solutions for HackerRank challenges. Readme License. hackerrank hackerrank-python hackerrank-solutions hackerrank-sql. . you can discreetly refer to it without the need to switch tabs, The solutions of all the Hackerrank SQL challenges for all easy, medium and hard challenges executed on Oracle environment. Ask Question Asked 3 years, 11 months ago. Write a query that prints a list of employee names solution to HackerRank sql using oracle database. Grades contains the following data:. Write better code with AI Code review Problem. Reload to refresh your session. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu SQL (Basic) SQL (Intermediate) SQL (Advanced) Difficulty. Write a query to find the employee IDs along with the Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Don't use BETWEEN on dates. SQL-Business-Expansion and 2. Write better code with AI Code review Product GitHub Copilot. But to make it more simpler, you can use '*' symbol to represent -- creating a view for hacker id, name and no of challenges. Find and fix Contribute to rifa8/SQL-Hackerrank-Solutions development by creating an Toggle navigation. This repository contains MySQL solutions of the HackerRank-SQL-Intermediate-Certificate problems which I encountered during the test. Retrieve each product bought by a customer MySQL. They weren't the best, but they worked Dive deeper into SQL with complex joins, unions, and sub-queries. Next Post Crypto Market Algorithms Report. image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn solution to HackerRank sql using oracle database. Customer Spending. Tab/Se Youlube Maps 2 List Customer and Product Without Sale Using the UNION operator in one list return all customers who do not have an invoice and all products that were not sold For each customer without an invoice return - Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. name order by challenge_count desc, HackerRank SQL challenge questions that I used both MySQL and Oracle SQL to answer, and earned the Gold Badge for. How to sum sales by months and compare them. ##Question 2--> Customer Spending. Write a query to print the hacker_id, name, and the total number of challenges created by each student. ID. PRODUCT_NAME FROM PRODUCTS P WHERE P. Someone should take that question down or replace it. Updated Oct 12, 2024; Java; SagarMalik / HackerRank. customer_name (category="customer") or product. 1. SQL query for overview of purchased products per user. It focuses solely on offering correct answers for SQL queries, joins, and aggregations, helping users pass the certification efficiently. Sign in Product Actions. SQL : List Customer And Product Without SaleTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"I have a hidden feature that I pr List Customer And Product Without Sale. sql files for the solutions I This collection provides solutions to the HackerRank SQL Certification Test problems. sql and 2. Sort by. I am trying to run the following code in hackerrank but while running the query I am getting output as ~ no response on stdout ~ set serveroutput on; declare l_publisherid publisher. If Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. - DaveSV/HackerRank-SQL-Intermediate-Certificate Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. Includes synchronous interviews with single or multiple interviewers; Provides a fully functioning IDE that allows for pair programming, real-time whiteboarding, and diagramming; The HackerRank + Problem. Domains Hackerrank Certification Nerdy SQL - Intermediate. 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. Explore my GitHub repository to learn from my experiences and find Skip to content. DevSecOps DevOps Solution. Ketty -- MS SQL Server. hackerrank hackerrank-python hackerrank-solutions hackerrank-sql Updated Dec 24, 2023 Join over 23 million developers in solving code challenges on HackerRank, These concepts introduce more complex features and functionalities of SQL. Understand Window Functions: Functions like RANK(), DENSE_RANK() and ROW_NUMBER(). September 14, 2023 . ProID = od. vishumertiya. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. This repository contains all solutions and "thought process" to Hackerrank's SQL challenges. recency | 1936 Discussions| Please Login in order to post a comment. Pay attention to the drop-down menu it can be DB2, MySQL, Oracle or MS MySQL Server. hacker_id, h. Contribute to rene-d/hackerrank development by creating an account on GitHub. Instant dev environments GitHub Copilot. - adminazhar/-hackerrank-SQL-intermediate-skills-certification-test-solution Skip to content Navigation Menu SQL. HackerRank personal solutions. You signed in with another tab or window. My journey of earning a SQL certification and tackling HackerRank SQL challenges. This is a timed test. linkedin. Instant dev environments Problem. 24 hours ago + 0 comments. Accelerate your Job Search. You switched accounts on another tab or window. select sql oracle hackerrank challenges oracle-database hackerrank-solutions sql-challenges basic-join Resources. Solve Challenge. Unions: Combine results from multiple queries efficiently. ProID Query a list of top-scoring hackers. Problem. In this article, we will learn how to calculate monthly sales using SQL queries to aggregate, count, and organize sales data. 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. Toggle navigation. Contribute to KimTisott/HackerRank-Solutions development by creating an account on GitHub. solution to HackerRank sql using oracle database. You can use a SQL join between the tables on ProID, e. com/in/abhishweta-gupta-96078b1b9/ Join over 23 million developers in solving code challenges on HackerRank, Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. of questions 2 questions. Articles Works Shiny Snippets Resume About Contact. Create a HackerRank account Be part of a 23 million-strong community of developers. Binary Tree Nodes. Solved. 4% of all SQL online submissions for this problem. Subqueries and Nested Queries. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality, and difficulty. Product Actions. COUNT vs SELECT in SQL. - Hackerrank-SQL-Challenges/6. Write better code with AI Security. No. Medium SQL (Intermediate) Max Score: 30 Success Rate: 97. 66%. Please check 1. HackerRank is a platform for competitive coding. Can anyone help? There were a number of contests where participants each made number of attempts. Instant dev environments Copilot. txt at main · mahedei/Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions 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. This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. Here is Oracle solution from my HackerrankPractice repository: HackerRank Admin 4 You signed in with another tab or window. Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. 4 of 6; Test your code You can compile your code and test it for errors and accuracy before submitting. Watch all Easy Hackerrank SQL Problems solved in this video. SOLUTION: SELECT c. Advanced Join. It's not answerable without guessing. Instructions. Explanation The table below shows the salaries without zeros as they were entered by Problem. Product GitHub Copilot. Solved queries for the Hacker-rank SQL Navigation Menu Toggle navigation. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Tips for Passing the HackerRank SQL Advanced Certification. Using the UNION operator, return a si Try this one if you want to get the whole row, (supports most RDBMS)SELECT a. Please make sure you are not interrupted during the test, as the timer cannot be paused once started. PRODUCT_NAME FROM PRODUCTS P WHERE NOT EXISTS (SELECT 1 FROM SALES S WHERE S. - Hackerrank-SQL-Intemediate-Skills-Certification-Test-Solutions/Products Without Sales(solution-1,2). Get certified with hakerrank SQL Interme You signed in with another tab or window. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. You Might Also Like: This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. ProID You can use group by syntax to ensure you get distinct rows, e. quantity) sales, ROW_NUMBER() OVER (PARTITION BY Product Actions. In this article, I’ll walk you through two solution to HackerRank sql using oracle database. These solutions can Verify your SQL Skills. Author. Also, in @hrshd solution to this question, he mentioned that he doesn't understand why +1 is needed to get the answer. Find and fix vulnerabilities Actions. NAME. If you’re a data scientist or software engineer on the job market, the ability to demonstrate your database skills in an SQL interview Contribute to ejaj/SQL development by creating an account on GitHub. Leaderboard. Editorial. Each solution includes a brief explanation of the problem and my approach to solving it. Find and fix - DB2, MySQL, Oracle, MS SQL Server */ Select S. Status. 7 years ago + 26 comments. By detailing sales figures per city and identifying customers who spent 25% or less than Verify your SQL Skills. Date. Pivot the Occupation column in OCCUPATIONS so that each Name is sorted alphabetically and displayed underneath its corresponding Occupation. Find and fix vulnerabilities Codespaces. Enterprises Small and medium teams Startups By use case. JOIN PACKAGES P1 ON S. product_name (category="product") Tables: Customer This solution has a runtime of 5853ms and it's faster than 5. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution Skip to content Navigation Menu Post displaying HackerRank sql problem solving questions and solution. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account Navigation Menu Toggle navigation. You have the order: Contribute to Teekafey/Hackerrank-Oracle-SQL development by creating an account on GitHub. Prev Post Products Without Sales. g. category = b. Discussions. That is why i provided the whole solution and clarification to the hackerrank problem in SQL server. - SQL-Hackerrank-Challenge-Solutions/Basic Join/Contest-Leaderboard. That's not a very good way to phrase any hacker rank question. Hard. We use cookies to ensure you have the best browsing experience on our website. Contribute to chanwaihan/HackerRank-Solutions development by creating an account on GitHub. Return to all comments →. This competency area includes the understanding of basic concepts like Blocks, Variable Declaration, and Cursor. product_name FROM product WHERE product. Here is the certificate which i got. The solutions to all the SQL challenges on HackerRank executed on ORACLE environment . Print NA for null customers or product or null quantity . Skills. ---- Products Without Sales (solution_1) SELECT product. I was not able to solve it at all. The above logic works with or without time components. Advanced Select. Alice and Bob each created one problem for HackerRank. We use cookies to #1 SQL: Merit Rewards 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. sku, product. Establish a skills The stated question is ambiguous. Welcome to HackerRank SQL (Intermediate) Skills Certification Test. MySQL; Problem. HackerRank Interviews. from products as p inner join orderdetails as od on p. Host and manage mysql sql oracle hackerrank mysql-database oracle-11g oracle-db oracle-12c oracle-database hackerrank-solutions hackerrank-sql Add a description, image, and links to the hackerrank-sql-solutions topic page so that developers can more easily learn about it Product GitHub Copilot. SELECT P. Inside you will find the solutions to all HackerRank SQL Questions. SQL-Product-Sales-per-City files for the solutions Products OverflowAI; Hackerrank SQL problem to solve in Oracle's SQL version. publisherid = l_publisherid where This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, SQL, C++, and Java. You can join the tables and aggregate to get the total sales for each product. Solutions to HackerRank's SQL challenges, from basic to advanced level, written in MS SQL Server. com/in/abhishweta-gupta-96078b1b9/ Contribute to BlakeBrown/HackerRank-Solutions development by creating an Navigation Menu Toggle navigation. Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Automate any workflow Packages. 1 month ago + 0 comments. Unsolved. * FROM tbProduct a INNER JOIN ( SELECT Category, MAX(Price) maxPrice FROM tbProduct GROUP BY Category ) b ON a. Navigation Menu Toggle navigation. ID = F. Basic Select. Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. The Blunder. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query performance. id NOT IN (SELECT product_id FROM invoice_item); ----- Products SELECT P. hackerrank / sql / advanced-select / occupations. Skip to content. You signed out in another tab or window. sql union. Host and manage packages 170+ solutions to Hackerrank. Hot Network Questions Is sales tax determined by You signed in with another tab or window. Basic Join. SELECT * FROM city The solution is correct. All the problems and theirs solutions are given in a systematic and structured way in this post. PL/SQL is an extension of SQL language that combines the data manipulation power of SQL with the processing power of procedural language to create super-powerful SQL queries. Print Prime Numbers. com practice problems using Python 3, С++ and Oracle SQL. Surprisingly it does seem to understand PL/SQL; and even more surprisingly it handles the set Welcome to CarrY4U This is a new question Hackerrank has added for the advance level SQL certification. 0. name, count(c. 08 seconds versus 22 seconds on my server! SQL to grab all customers even if they don't have an order. Key Competencies: You signed in with another tab or window. Test duration 35 mins. Navigation Menu Toggle navigation You signed in with another tab or window. The questions asked are Invoices Per Country and Product Sales Per City. JOIN FRIENDS F ON S. 50%. Oracle supports the DATE keyword for introducing date constants using ISO-standard, unambiguous, non-locale-specific formats. Automate any Solutions By company size. Modified 11 months ago. Platform Help | Execution Environment | FAQ. Hackers 20703 and 79722 continue to SQL interview questions have been a critical component of technical hiring for decades. You can easily perform UNION with both the SQLs. Customer Spending. Personal HackerRank Profile View Profile SQL (Structured Query Language) is a powerful tool used for managing and manipulating relational databases. Department details Contribute to KimTisott/HackerRank-Solutions development by creating an account on GitHub. Crack your coding interview and get hired. com/in/abhishweta-gupta-96078b1b9/ All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. SELECT Doctor, Professor, Singer, Actor. Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓. Here are solutions and databases from Hackerrank Certification Tests. Find and С++ and Oracle SQL. price = b. We use cookies to Join over 23 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. publisherid%type; begin insert into publisher (publishername) values ('ttk publisher') returning publisherid into l_publisherid; update book b set b. Subdomains. PRODUCT_ID NOT IN (SELECT PRODUCT_ID FROM SALES); And, this is not equivalent to the third. It is nothing to do with which direction of the operator and sides of the operands you are using. Aggregation. Students contains three columns ID, Name and Marks. Alternative Queries. Find and fix vulnerabilities Solutions By company size. group by p. Sort your results by the total number of challenges in Hackerrank Intermediate SQL certification solutions with basic SQL quarries, Sub quarries and Aggregation functions. SELECT id, category, sales FROM ( SELECT p. Medium. Complex Joins: Navigate through intricate relationships between tables. SQL. I think if j1mbl3s will read the hackerrank problem statement once, this solution will make a lot more sense to you. jorh902. com/2021/09/top-ear You are given two tables: Students and Grades. You are viewing a single comment's thread. Futher queries will per written on this view CREATE VIEW hacker_challenge_count AS select h. Table of Contents. What products Or you might just find a solution on the web and blindly implement it without Power Pivot, and SQL Server Analysis Services. 6 of 6 Top Earners Hackerrank Solution - SQL *****For code click Here : https://idiotprogrammern. linkedin channel link: https://www. hacker_id group by hacker_id, h. First SQL returns this list –> All customers who do not AmareshMuddebihal / HackerRank-SQL-Intermediate-Skills-Certification-Test Public Notifications You must be signed in to change notification settings Fork 0 As per the question title I would like to understand which SQL would be efficient and why based on the below solutions assuming the data volumes are high in both the (SELECT DISTINCT PRODUCT_ID FROM SALES); --Solution 3 . txt at main · codehub001/Hacker-rank. Instant dev environments Skip to content. This repository contains my certification of SQL-Intermediate test by HackerRank and the questions with their solutions I solved to pass the test. Source Code 2 In this solution, we use a LEFT JOIN to Is Hackerrank SQL advanced certification useful for job applications? comments sorted by Best Top New Controversial Q&A Add a Comment. Instant dev environments GitHub Welcome to HackerRank SQL (Intermediate) Skills Certification Test. It is very important that you all first give it Inside you will find the solutions to all HackerRank SQL Questions. In this post, we will be covering all the solutions to SQL on the HackerRank platform. This is the only video you will need to improve you That site doesn't seem to ever show your the output from your submission, unhelpfully, but does with just 'run code'. sql at main · qanhnn12/SQL-Hackerrank-Challenge-Solutions Product GitHub Copilot. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice SQL (Intermediate) It includes complex joins, unions, and sub-queries. tymoshchuk_teti1. maxPrice You signed in with another tab or window. – You signed in with another tab or window. Revising the Select Query I. Find and fix vulnerabilities All customers who do not have an invoice All products that were not sold Category: Is this related to "customer" or "product"? Print "customer or "product" ID: Customer. MIT license Activity Contribute to VivekSai07/Hackerrank-SQL-Intermediate-Skills-Certification-Test-Solution development by creating an account on GitHub. This was curated after solving all 58 questions, and achieving a score of 1130 points (WR1) Subscribe Sign in. -- solution Oracle. Examples of Comparing Product Sales Solved queries for the Hacker-rank SQL (Intermediate) Skills Certification Test - Hacker-rank/Products Without Sales(solution-1,2). 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 Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; This was MUCH faster than the LEFT JOIN solution - 0. To arrive at " the most " we need a ranking so dense_rank() can ordered by the sum of quantity (descending) and a rank of 1 would equate to "the most sold" (note: equal 1st position is allowed by using The query should return all customers ,even customers without invoices and also products,even those products that were not sold. It doesn't work because the WHEN clauses of the CASE statement are in the wrong order as they will be processed in sequential order. PRODUCT_ID = Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Solutions for all SQL challenges on HackerRank executed on MySQL and MS SQL Server. Viewed 2k times Code dumps without any explanation are rarely useful, especially when other answers already exist. List Customers and Products Without Sales Enter your query below. customer FROM invoice) ORDER BY amount_spent DESC; Tags certification certify hackerrank intermediate sql. Whether we are beginners or experienced professionals, practicing SQL exercises is important for improving You signed in with another tab or window. - sharathreddy31/SQL. Blame. Marco and Alberto have worked with Analysis Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. In ORacle : SELECT LISTAGG(L1,'&') WITHIN GROUP (ORDER BY L1) FROM (Select L1 FROM (SELECT LEVEL L1 FROM DUAL CONNECT BY LEVEL<=1000) Where L1 My oracle solution (with a bit of googling, because I haven't This repository contains MySQL solutions of the HackerRank SQL Intermediate Certificate problems which I encountered during the test. Write better code with AI Code review Easy SQL (Intermediate) Max Score: 30 Success Rate: 94. cochiseandcumbria You signed in with another tab or window. 0 | Permalink. each total sales of all items. This repository contains my solutions to the problems proposed at HackerRank. Navigation Menu Toggle navigation Why this video is 7. This intermediate SQL solution provides insights into product sales across cities, offering a comprehensive overview of customer spending patterns. Business Expansion. Problem; Input Format; Solution – Employee Names in SQL. category AND a. leeb tltr kckxvo osng tub fcly rwnlc iubx jscifl wibpf