SQL

Human Traffic of Stadium LeetCode Solution

This Leetcode problem Human Traffic of Stadium LeetCode Solution is done in SQL. List of all LeetCode Solution Human Traffic of Stadium LeetCode Solution 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 this table contains the visit date […]

Human Traffic of Stadium LeetCode Solution Read More »

Highest Grade For Each Student LeetCode Solution

This Leetcode problem Highest Grade For Each Student LeetCode Solution is done in SQL. List of all LeetCode Solution Highest Grade For Each Student LeetCode Solution 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 a SQL query to find the

Highest Grade For Each Student LeetCode Solution Read More »

Department Top Three Salaries LeetCode Solution

This Leetcode problem Department Top Three Salaries LeetCode Solution is done in SQL. List of all LeetCode Solution Department Top Three Salaries LeetCode Solution 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 table. departmentId is a foreign key

Department Top Three Salaries LeetCode Solution Read More »

Number of Transactions per Visit LeetCode Solution

This Leetcode problem Number of Transactions per Visit LeetCode Solution is done in SQL. List of all LeetCode Solution Number of Transactions per Visit LeetCode Solution 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 table indicates that user_id has visited

Number of Transactions per Visit LeetCode Solution Read More »

List the Products Ordered in a Period LeetCode Solution

This Leetcode problem List the Products Ordered in a Period LeetCode Solution is done in SQL. List of all LeetCode Solution List the Products Ordered in a Period LeetCode Solution Problem Statement Column Name Type product_id int product_name varchar product_category varchar Table: Products product_id is the primary key (column with unique values) for this table. This

List the Products Ordered in a Period LeetCode Solution Read More »

Restaurant Growth LeetCode Solution

This Leetcode problem Restaurant Growth LeetCode Solution is done in SQL. List of all LeetCode Solution Restaurant Growth LeetCode Solution 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 customer transactions in a restaurant. visited_on

Restaurant Growth LeetCode Solution Read More »

Running Total for Different Genders LeetCode Solution

This Leetcode problem Running Total for Different Genders LeetCode Solution is done in SQL. List of all LeetCode Solution Running Total for Different Genders LeetCode Solution 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 table.A competition is held between females

Running Total for Different Genders LeetCode Solution Read More »

Report Contiguous Dates LeetCode Solution

This Leetcode problem Report Contiguous Dates LeetCode Solution is done in SQL. List of all LeetCode Solution Report Contiguous Dates LeetCode Solution Problem Statement Column Name Type fail_date date Table: Failed Primary key for this table is fail_date.Failed table contains the days of failed tasks. Column Name Type success_date date Table: Succeeded Primary key for

Report Contiguous Dates LeetCode Solution Read More »

Scroll to Top