MySql Archives - TO THE INNOVATION

SQL Query Interview Questions and Answers

Here, we will discuss SQL Query Interview Questions and Answers, which are asked by interviewers in most company interviews. 1. What is MySQL? MySQL is an open-source relational database management system (RDBMS) that uses SQL (Structured Query Language) to manage data. It’s known for its speed, reliability, and ease of use, powering applications. 2. Top MySQL Interview Topics Storage […]

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Interview Questions

SQL Scenario Based Interview Questions

Interview Questions / Interview Questions, MySql / March 20, 2025

Here, we will discuss SQL Scenario Based Interview Questions, which are asked by interviewers in most company interviews for any job position. 1. What is MySQL? MySQL is an open-source relational database management system (RDBMS) that uses SQL (Structured Query Language) to manage data. It’s known for its speed, reliability, and ease of use, powering applications. 2. Top MySQL

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Interview Questions

MySQL LinkedIn Skill Assessment Answer

LinkedIn Skill Assessment / LinkedIn Assessment, LinkedIn Quiz, MySql, Technical Skill / February 3, 2025

MySQL Quiz MCQs come from different topics – Database Management, RDBMS Basics, SQL Statement Syntax, Stored Procedures, and Triggers. MySQL LinkedIn Skill Assessment Answer.

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LinkedIn Skill Assessment

Product Sales Analysis I LeetCode Solution

Leetcode Solution / Easy, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see a Product Sales Analysis I LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Product Sales Analysis I LeetCode Solution 1. Problem Statement Column Name Type sale_id int product_id int year int quantity int price int Table: Sales (sale_id, year) is the primary key (combination of columns

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Leetcode Solution

Delete Duplicate Emails LeetCode Solution

Leetcode Solution / Easy, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see a Delete Duplicate Emails LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Delete Duplicate Emails LeetCode Solution 1. Problem Statement Column Name Type id int email varchar Table: Person id is the primary key (column with unique values) for this table. Each row of this table

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Leetcode Solution

Running Total for Different Genders LeetCode Solution

Leetcode Solution / LeetCode Solution, Medium, MySql, SQL / March 10, 2025

Here, we see a Running Total for Different Genders LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Running Total for Different Genders LeetCode Solution 1. Problem Statement Column Name Type player_name varchar gender varchar day date score_points int Table: Scores (gender, day) is the primary key for this

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Leetcode Solution

Human Traffic of Stadium LeetCode Solution

Leetcode Solution / Hard, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see the Human Traffic of Stadium LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Human Traffic of Stadium LeetCode Solution 1. Problem Statement Column Name Type id int visit_date date people int Table: visit_date is the column with unique values for this table. Each row of

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Leetcode Solution

Highest Grade For Each Student LeetCode Solution

Leetcode Solution / LeetCode Solution, Medium, MySql, SQL / March 10, 2025

Here, we see the Highest Grade For Each Student LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Highest Grade For Each Student LeetCode Solution 1. Problem Statement Column Name Type student_id int course_id int grade int Table: Enrollments (student_id, course_id) is the primary key of this table. Write

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Leetcode Solution

Department Top Three Salaries LeetCode Solution

Leetcode Solution / Hard, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see the Department Top Three Salaries LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Department Top Three Salaries LeetCode Solution 1. Problem Statement Column Name Type id int name varchar salary int departmentId int Table: Employee id is the primary key (column with unique values) for this

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Leetcode Solution

Number of Transactions per Visit LeetCode Solution

Leetcode Solution / Hard, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see the Number of Transactions per Visit LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Number of Transactions per Visit LeetCode Solution 1. Problem Statement Column Name Type user_id int visit_date date Table: Visits (user_id, visit_date) is the primary key for this table.Each row of this

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Leetcode Solution

Trips and Users LeetCode Solution

Leetcode Solution / Hard, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see a Trips and Users LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Trips and Users LeetCode Solution 1. Problem Statement Column Name Type id int client_id int driver_id int city_id int status enum request_at date Table: Trips id is the primary key (column with unique

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Leetcode Solution

List the Products Ordered in a Period LeetCode Solution

Leetcode Solution / Easy, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see the List the Products Ordered in a Period LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution List the Products Ordered in a Period LeetCode Solution 1. Problem Statement Column Name Type product_id int product_name varchar product_category varchar Table: Products product_id is the primary key (column with

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Leetcode Solution

Exchange Seats LeetCode Solution

Leetcode Solution / LeetCode Solution, Medium, MySql, SQL / March 10, 2025

Here, we see the Exchange Seats LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Exchange Seats LeetCode Solution 1. Problem Statement Column Name Type id int student varchar Table: Seat id is the primary key (unique value) column for this table. Each row of this table indicates the name

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Leetcode Solution

Ads Performance LeetCode Solution

Leetcode Solution / Easy, LeetCode Solution, MySql, SQL / March 10, 2025

Here, we see an Ads Performance LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Ads Performance LeetCode Solution 1. Problem Statement Column Name Type ad_id int user_id int action enum Table: Ads (ad_id, user_id) is the primary key for this table.Each row of this table contains the ID

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Leetcode Solution

Restaurant Growth LeetCode Solution

Leetcode Solution / LeetCode Solution, Medium, MySql, SQL / March 10, 2025

Here, we see a Restaurant Growth LeetCode Solution. This Leetcode problem is solved using MySQL and Pandas. List of all LeetCode Solution Restaurant Growth LeetCode Solution 1. Problem Statement Column Name Type customer_id int name varchar visited_on date amount int Table: Customer In SQL,(customer_id, visited_on) is the primary key for this table. This table contains data about

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Leetcode Solution