2025-08-24 16:07:06 +0000 UTC
Find Books with Polarized Opinions
Find Books with Polarized Opinions
Find Books with No Available Copies
Find Products with Valid Serial Numbers
Find Valid Emails
Number of Unique Subjects Taught by Each Teacher
Employees Whose Manager Left the Company
Employees With Missing Information
The Latest Login in 2020
Calculate Special Bonus
Rearrange Products Table
Primary Department for Each Employee
Recyclable and Low Fat Products
Find Total Time Spent by Each Employee
The Number of Employees Which Report to Each Employee
Find Followers Count
Find Followers Count
Daily Leads and Partners
Invalid Tweets
Fix Names in a Table
Average Time of Process per Machine
Percentage of Users Attended a Contest
Bank Account Summary II
Customer Who Visited but Did Not Make Any Transactions
Patients With a Condition
Find Users With Valid E-Mails
Group Sold Products By The Date
Top Travellers
Replace Employee ID With The Unique Identifier
List the Products Ordered in a Period
Students and Examinations
Average Selling Price
Queries Quality and Percentage
Reformat Department Table
Article Views I
User Activity for the Past 30 Days I
Sales Analysis III
Project Employees I
Project Employees I
Product Sales Analysis I
Actors and Directors Who Cooperated At Least Three Times
Swap Salary
Not Boring Movies
Biggest Single Number
Triangle Judgement
Triangle Judgement
Sales Person
Classes With at Least 5 Students
Big Countries
Customer Placing the Largest Number of Orders
Customer Placing the Largest Number of Orders
Find Customer Referee
Employee Bonus
Game Play Analysis I
Delete Duplicate Emails
Rising Temperature
Employees Earning More Than Their Managers
Customers Who Never Order
Duplicate Emails
Combine Two Tables