Dashboard Questions Topics Companies Sheets

Database

Topic

289 coding problems covering Database concepts. Master this topic and improve your problem-solving skills.

289

Problems

108

Easy

128

Medium

Hard

Difficulty

All289 Easy108 Medium128 Hard53

Title	Solve	Difficulty	Companies	Topics
185. Department Top Three Salaries	Solve	Hard	Amazon+4	Database
262. Trips and Users	Solve	Hard	Adobe+3	Database
569. Median Employee Salary	Solve	Hard	Google	Database
571. Find Median Given Frequency of Numbers	Solve	Hard	Pinterest	Database
579. Find Cumulative Salary of an Employee	Solve	Hard	Amazon	Database
601. Human Traffic of Stadium	Solve	Hard	Amazon	Database
615. Average Salary: Departments VS Company	Solve	Hard	-	Database
618. Students Report By Geography	Solve	Hard	Amazon	Database
1097. Game Play Analysis V	Solve	Hard	GSN Games	Database
1127. User Purchase Platform	Solve	Hard	LinkedIn	Database
1159. Market Analysis II	Solve	Hard	Poshmark	Database
1194. Tournament Winners	Solve	Hard	Wayfair	Database
1225. Report Contiguous Dates	Solve	Hard	Facebook	Database
1336. Number of Transactions per Visit	Solve	Hard	Machine Zone	Database
1369. Get the Second Most Recent Activity	Solve	Hard	Microsoft	Database
1384. Total Sales Amount by Year	Solve	Hard	-	Database
1412. Find the Quiet Students in All Exams	Solve	Hard	-	Database
1479. Sales by Day of the Week	Solve	Hard	Amazon	Database
1635. Hopper Company Queries I	Solve	Hard	Uber	Database
1645. Hopper Company Queries II	Solve	Hard	Uber	Database
1651. Hopper Company Queries III	Solve	Hard	Uber	Database
1767. Find the Subtasks That Did Not Execute	Solve	Hard	Google	Database
1892. Page Recommendations II	Solve	Hard	Facebook	Database
1917. Leetcodify Friends Recommendations	Solve	Hard	Spotify	Database
1919. Leetcodify Similar Friends	Solve	Hard	Spotify	Database
1972. First and Last Call On the Same Day	Solve	Hard	Amazon	Database
2004. The Number of Seniors and Juniors to Join the Company	Solve	Hard	Apple	Database
2010. The Number of Seniors and Juniors to Join the Company II	Solve	Hard	-	Database
2118. Build the Equation	Solve	Hard	-	Database
2153. The Number of Passengers in Each Bus II	Solve	Hard	-	Database
2173. Longest Winning Streak	Solve	Hard	Amazon	Database
2199. Finding the Topic of Each Post	Solve	Hard	Facebook	Database
2252. Dynamic Pivoting of a Table	Solve	Hard	-	Database
2253. Dynamic Unpivoting of a Table	Solve	Hard	-	Database
2362. Generate the Invoice	Solve	Hard	-	Database
2474. Customers With Strictly Increasing Purchases	Solve	Hard	Amazon	Database
2494. Merge Overlapping Events in the Same Hall	Solve	Hard	-	Database
2701. Consecutive Transactions with Increasing Amounts	Solve	Hard	-	Database
2720. Popularity Percentage	Solve	Hard	-	Database
2752. Customers with Maximum Number of Transactions on Consecutive Days	Solve	Hard	-	Database
2991. Top Three Wineries	Solve	Hard	-	Database
2994. Friday Purchases II	Solve	Hard	-	Database
2995. Viewers Turned Streamers	Solve	Hard	-	Database
3052. Maximize Items	Solve	Hard	-	Database
3057. Employees Project Allocation	Solve	Hard	-	Database
3060. User Activities within Time Bounds	Solve	Hard	-	Database
3061. Calculate Trapping Rain Water	Solve	Hard	-	Database
3103. Find Trending Hashtags II	Solve	Hard	-	Database
3156. Employee Task Duration and Concurrent Tasks	Solve	Hard	-	Database
3188. Find Top Scoring Students II	Solve	Hard	-	Database