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Companies
Amazon
Database
Database
0/54 solved
Second Highest Salary
MEDIUM
Employees Earning More Than Their Managers
EASY
Find Customer Referee
EASY
Consecutive Numbers
MEDIUM
Rank Scores
MEDIUM
Department Top Three Salaries
HARD
Department Highest Salary
MEDIUM
Swap Salary
EASY
Delete Duplicate Emails
EASY
Exchange Seats
MEDIUM
Average Selling Price
EASY
Managers with at Least 5 Direct Reports
MEDIUM
Product Sales Analysis I
EASY
Customer Placing the Largest Number of Orders
EASY
Product Price at a Given Date
MEDIUM
Rearrange Products Table
EASY
Restaurant Growth
MEDIUM
Customers Who Bought All Products
MEDIUM
Reformat Department Table
EASY
Sales Analysis III
EASY
Find Total Time Spent by Each Employee
EASY
Friend Requests II: Who Has the Most Friends
MEDIUM
Human Traffic of Stadium
HARD
Actors and Directors Who Cooperated At Least Three Times
EASY
Consecutive Available Seats
EASY
Find the Start and End Number of Continuous Ranges
MEDIUM
Product Sales Analysis III
MEDIUM
All People Report to the Given Manager
MEDIUM
List the Products Ordered in a Period
EASY
Active Users
MEDIUM
Find the Team Size
EASY
Report Contiguous Dates
HARD
Customer Order Frequency
EASY
Customers Who Bought Products A and B but Not C
MEDIUM
Number of Calls Between Two Persons
MEDIUM
Sales Analysis II
EASY
The Most Frequently Ordered Products for Each Customer
MEDIUM
Find Cumulative Salary of an Employee
HARD
Average Salary: Departments VS Company
HARD
Grand Slam Titles
MEDIUM
Find the Missing IDs
MEDIUM
Find Interview Candidates
MEDIUM
Sales Analysis I
EASY
Students Report By Geography
HARD
Students With Invalid Departments
EASY
Warehouse Manager
EASY
New Users Daily Count
MEDIUM
Sales by Day of the Week
HARD
Product's Price for Each Store
EASY
Ad-Free Sessions
EASY
Friendly Movies Streamed Last Month
EASY
Product Sales Analysis II
EASY
All Valid Triplets That Can Represent a Country
EASY
NPV Queries
EASY