Toolliyo Practice

Problems explorer

Browse by topic · auto-judge · company sheets · roadmaps — not just a problem dump.

DSA 150 Company DSA Contests
All C# Programs — Data Structures 167 DSA — Binary Search 105 DSA — Dynamic Programming 105 DSA — Two Pointers 105 DSA — Strings 105 C# Programs — Strings 105 DSA — Sorting 105 DSA — Stacks & Queues 105 DSA — Hashing 105 DSA — Graphs 105 C# Programs — Arrays 105 DSA — Trees 105 DSA — Arrays 105 C# Programs — LINQ 104 C# Programs — Sorting 103 C# Programs — OOP 103 C# Programs — Collections 103 SQL Server — Indexes & plans 101 SQL Server — DDL & constraints 101 SQL Server — Window functions 101 SQL Server — WHERE & filtering 101 SQL Server — T-SQL procedures 101 SQL Server — SELECT basics 101 C# Programs — Interfaces 101 SQL Server — CTEs 101 SQL Server — Aggregates & GROUP BY 101 SQL Server — JOINs 101 SQL Server — Subqueries 101

459 problems in this topic

# Title Topics Acceptance Pts Difficulty
1 PostgreSQL SELECT with ILIKE
PostgreSQL — SELECT basics postgresql coding-practice
— 20 Easy Solve
2 PostgreSQL SELECT with ILIKE
PostgreSQL — WHERE & filtering postgresql coding-practice
— 20 Easy Solve
3 PostgreSQL SELECT with ILIKE
PostgreSQL — JOINs postgresql coding-practice
— 20 Easy Solve
4 PostgreSQL SELECT with ILIKE
PostgreSQL — Aggregates & GROUP BY postgresql coding-practice
— 20 Easy Solve
5 PostgreSQL CTE — top salaries
PostgreSQL — Subqueries & CTEs postgresql coding-practice
— 40 Hard Solve
6 PostgreSQL ROW_NUMBER ranking
PostgreSQL — Window functions postgresql coding-practice
— 40 Hard Solve
7 PostgreSQL SELECT with ILIKE
PostgreSQL — DDL & constraints postgresql coding-practice
— 20 Easy Solve
8 PostgreSQL SELECT with ILIKE
PostgreSQL — Indexes & EXPLAIN postgresql coding-practice
— 20 Easy Solve
9 PostgreSQL JSONB containment query
PostgreSQL — JSONB queries postgresql coding-practice
— 30 Medium Solve
10 PostgreSQL SELECT with LIMIT #1
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
11 PostgreSQL SELECT with LIMIT #2
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
12 PostgreSQL SELECT with LIMIT #3
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
13 PostgreSQL SELECT with LIMIT #4
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
14 PostgreSQL SELECT with LIMIT #5
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
15 PostgreSQL SELECT with LIMIT #6
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
16 PostgreSQL SELECT with LIMIT #7
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
17 PostgreSQL SELECT with LIMIT #8
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
18 PostgreSQL SELECT with LIMIT #9
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
19 PostgreSQL SELECT with LIMIT #10
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
20 PostgreSQL SELECT with LIMIT #11
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
21 PostgreSQL SELECT with LIMIT #12
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
22 PostgreSQL SELECT with LIMIT #13
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
23 PostgreSQL SELECT with LIMIT #14
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
24 PostgreSQL SELECT with LIMIT #15
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
25 PostgreSQL SELECT with LIMIT #16
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
26 PostgreSQL SELECT with LIMIT #17
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
27 PostgreSQL SELECT with LIMIT #18
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
28 PostgreSQL SELECT with LIMIT #19
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
29 PostgreSQL SELECT with LIMIT #20
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
30 PostgreSQL SELECT with LIMIT #21
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
31 PostgreSQL SELECT with LIMIT #22
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
32 PostgreSQL SELECT with LIMIT #23
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
33 PostgreSQL SELECT with LIMIT #24
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
34 PostgreSQL SELECT with LIMIT #25
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
35 PostgreSQL SELECT with LIMIT #26
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
36 PostgreSQL SELECT with LIMIT #27
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
37 PostgreSQL SELECT with LIMIT #28
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
38 PostgreSQL SELECT with LIMIT #29
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
39 PostgreSQL SELECT with LIMIT #30
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
40 PostgreSQL SELECT with LIMIT #31
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
41 PostgreSQL SELECT with LIMIT #32
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
42 PostgreSQL SELECT with LIMIT #33
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
43 PostgreSQL SELECT with LIMIT #34
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
44 PostgreSQL SELECT with LIMIT #35
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
45 PostgreSQL SELECT with LIMIT #36
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
46 PostgreSQL SELECT with LIMIT #37
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
47 PostgreSQL SELECT with LIMIT #38
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
48 PostgreSQL SELECT with LIMIT #39
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
49 PostgreSQL SELECT with LIMIT #40
PostgreSQL — SELECT basics postgresql coding-practice
— 40 Hard Solve
50 PostgreSQL SELECT with LIMIT #41
PostgreSQL — SELECT basics postgresql coding-practice
— 30 Medium Solve
Toolliyo Assistant
Ask about tutorials, ebooks, training, pricing, mentor services, and support. I use public site content only—not admin or internal tools.

care@toolliyo.com

Need callback? Share your details