queries Coding Problems

All C# Programs — Data Structures 167 DSA — Dynamic Programming 105 DSA — Binary Search 105 DSA — Sorting 105 DSA — Two Pointers 105 DSA — Trees 105 DSA — Stacks & Queues 105 C# Programs — Strings 105 DSA — Hashing 105 DSA — Arrays 105 C# Programs — Arrays 105 DSA — Strings 105 DSA — Graphs 105 C# Programs — LINQ 104 C# Programs — Collections 103 C# Programs — Sorting 103 C# Programs — OOP 103 SQL Server — DDL & constraints 101 SQL Server — Indexes & plans 101 SQL Server — T-SQL procedures 101 SQL Server — SELECT basics 101 SQL Server — Window functions 101 SQL Server — WHERE & filtering 101 C# Programs — Inheritance 101 SQL Server — CTEs 101 C# Programs — Interfaces 101 SQL Server — JOINs 101 SQL Server — Subqueries 101

358 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
301	T-SQL subquery above average #93	SQL Server — Subqueries sqlserver coding-practice	—	40	Hard	Solve
302	T-SQL subquery above average #94	SQL Server — Subqueries sqlserver coding-practice	—	30	Medium	Solve
303	T-SQL subquery above average #95	SQL Server — Subqueries sqlserver coding-practice	—	20	Easy	Solve
304	T-SQL subquery above average #96	SQL Server — Subqueries sqlserver coding-practice	—	30	Medium	Solve
305	T-SQL subquery above average #97	SQL Server — Subqueries sqlserver coding-practice	—	40	Hard	Solve
306	T-SQL subquery above average #98	SQL Server — Subqueries sqlserver coding-practice	—	30	Medium	Solve
307	T-SQL subquery above average #99	SQL Server — Subqueries sqlserver coding-practice	—	20	Easy	Solve
308	T-SQL subquery above average #100	SQL Server — Subqueries sqlserver coding-practice	—	30	Medium	Solve
309	PostgreSQL JSONB query #1	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
310	PostgreSQL JSONB query #2	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
311	PostgreSQL JSONB query #3	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
312	PostgreSQL JSONB query #4	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
313	PostgreSQL JSONB query #5	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
314	PostgreSQL JSONB query #6	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
315	PostgreSQL JSONB query #7	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
316	PostgreSQL JSONB query #8	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
317	PostgreSQL JSONB query #9	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
318	PostgreSQL JSONB query #10	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
319	PostgreSQL JSONB query #11	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
320	PostgreSQL JSONB query #12	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
321	PostgreSQL JSONB query #13	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
322	PostgreSQL JSONB query #14	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
323	PostgreSQL JSONB query #15	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
324	PostgreSQL JSONB query #16	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
325	PostgreSQL JSONB query #17	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
326	PostgreSQL JSONB query #18	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
327	PostgreSQL JSONB query #19	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
328	PostgreSQL JSONB query #20	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
329	PostgreSQL JSONB query #21	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
330	PostgreSQL JSONB query #22	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
331	PostgreSQL JSONB query #23	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
332	PostgreSQL JSONB query #24	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
333	PostgreSQL JSONB query #25	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
334	PostgreSQL JSONB query #26	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
335	PostgreSQL JSONB query #27	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
336	PostgreSQL JSONB query #28	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
337	PostgreSQL JSONB query #29	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
338	PostgreSQL JSONB query #30	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
339	PostgreSQL JSONB query #31	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
340	PostgreSQL JSONB query #32	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
341	PostgreSQL JSONB query #33	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
342	PostgreSQL JSONB query #34	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
343	PostgreSQL JSONB query #35	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
344	PostgreSQL JSONB query #36	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
345	PostgreSQL JSONB query #37	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
346	PostgreSQL JSONB query #38	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
347	PostgreSQL JSONB query #39	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
348	PostgreSQL JSONB query #40	PostgreSQL — JSONB queries postgresql coding-practice	—	40	Hard	Solve
349	PostgreSQL JSONB query #41	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
350	PostgreSQL JSONB query #42	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve

Problem of the day

Graph Valid Tree

Medium · +15 pts

Solve today

Weekly leaderboard

View all

Be the first to climb the board this week.

Company sheets

Toolliyo unique — practice by hiring company.

Google Amazon Microsoft Meta Apple Netflix TikTok LinkedIn Nvidia Uber

Browse all companies

Interview path

DSA Interview 150 All roadmaps 3,700+ Interview Q&A

Problems explorer