sql Coding Problems

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

2292 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
1	MySQL SELECT with LIMIT	MySQL — SELECT basics mysql coding-practice	—	20	Easy	Solve
2	MySQL SELECT with LIMIT	SQL Server — SELECT basics sqlserver coding-practice	—	20	Easy	Solve
3	PostgreSQL SELECT with ILIKE	PostgreSQL — SELECT basics postgresql coding-practice	—	20	Easy	Solve
4	Select all employees	SQL — SELECT basics sql coding-practice	—	20	Easy	Solve
5	Select specific columns	SQL — SELECT basics sql coding-practice	—	20	Easy	Solve
6	MySQL SELECT with LIMIT	MySQL — WHERE & filtering mysql coding-practice	—	20	Easy	Solve
7	MySQL SELECT with LIMIT	SQL Server — WHERE & filtering sqlserver coding-practice	—	20	Easy	Solve
8	PostgreSQL SELECT with ILIKE	PostgreSQL — WHERE & filtering postgresql coding-practice	—	20	Easy	Solve
9	Select all employees	SQL — WHERE & filtering sql coding-practice	—	20	Easy	Solve
10	Select specific columns	SQL — WHERE & filtering sql coding-practice	—	20	Easy	Solve
11	Inner join employees and departments	SQL — JOINs sql coding-practice	—	30	Medium	Solve
12	MySQL INNER JOIN employees and departments	MySQL — JOINs mysql coding-practice	—	30	Medium	Solve
13	MySQL INNER JOIN employees and departments	SQL Server — JOINs sqlserver coding-practice	—	30	Medium	Solve
14	PostgreSQL SELECT with ILIKE	PostgreSQL — JOINs postgresql coding-practice	—	20	Easy	Solve
15	Left join to include all employees	SQL — JOINs sql coding-practice	—	30	Medium	Solve
16	Average salary by department	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
17	MySQL SELECT with LIMIT	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
18	MySQL SELECT with LIMIT	MySQL — Aggregates & GROUP BY mysql coding-practice	—	20	Easy	Solve
19	PostgreSQL SELECT with ILIKE	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	20	Easy	Solve
20	Departments with total salary > 100000	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
21	MySQL SELECT with LIMIT	SQL Server — Subqueries sqlserver coding-practice	—	20	Easy	Solve
22	MySQL SELECT with LIMIT	MySQL — Subqueries mysql coding-practice	—	20	Easy	Solve
23	PostgreSQL CTE — top salaries	PostgreSQL — Subqueries & CTEs postgresql coding-practice	—	40	Hard	Solve
24	Select all employees	SQL — Subqueries sql coding-practice	—	20	Easy	Solve
25	Select specific columns	SQL — Subqueries sql coding-practice	—	20	Easy	Solve
26	MySQL SELECT with LIMIT	SQL Server — CTEs sqlserver coding-practice	—	20	Easy	Solve
27	MySQL SELECT with LIMIT	MySQL — DDL & constraints mysql coding-practice	—	20	Easy	Solve
28	PostgreSQL ROW_NUMBER ranking	PostgreSQL — Window functions postgresql coding-practice	—	40	Hard	Solve
29	Select all employees	SQL — DDL & constraints sql coding-practice	—	20	Easy	Solve
30	Select specific columns	SQL — DDL & constraints sql coding-practice	—	20	Easy	Solve
31	MySQL SELECT with LIMIT	SQL Server — Window functions sqlserver coding-practice	—	20	Easy	Solve
32	MySQL SELECT with LIMIT	MySQL — Indexes & EXPLAIN mysql coding-practice	—	20	Easy	Solve
33	PostgreSQL SELECT with ILIKE	PostgreSQL — DDL & constraints postgresql coding-practice	—	20	Easy	Solve
34	Select all employees	SQL — Indexes & performance sql coding-practice	—	20	Easy	Solve
35	Select specific columns	SQL — Indexes & performance sql coding-practice	—	20	Easy	Solve
36	MySQL IFNULL and CONCAT	MySQL — String & date functions mysql coding-practice	—	20	Easy	Solve
37	MySQL SELECT with LIMIT	SQL Server — DDL & constraints sqlserver coding-practice	—	20	Easy	Solve
38	PostgreSQL SELECT with ILIKE	PostgreSQL — Indexes & EXPLAIN postgresql coding-practice	—	20	Easy	Solve
39	MySQL SELECT with LIMIT	SQL Server — Indexes & plans sqlserver coding-practice	—	20	Easy	Solve
40	MySQL simple stored procedure	MySQL — Stored procedures mysql coding-practice	—	40	Hard	Solve
41	PostgreSQL JSONB containment query	PostgreSQL — JSONB queries postgresql coding-practice	—	30	Medium	Solve
42	MySQL SELECT top earners #1	MySQL — SELECT basics mysql coding-practice	—	40	Hard	Solve
43	MySQL SELECT with LIMIT	SQL Server — T-SQL procedures sqlserver coding-practice	—	20	Easy	Solve
44	PostgreSQL SELECT with LIMIT #1	PostgreSQL — SELECT basics postgresql coding-practice	—	40	Hard	Solve
45	Select price > 100 #1	SQL — SELECT basics sql coding-practice	—	40	Hard	Solve
46	T-SQL SELECT TOP 3 by salary #1	SQL Server — SELECT basics sqlserver coding-practice	—	40	Hard	Solve
47	MySQL SELECT top earners #2	MySQL — SELECT basics mysql coding-practice	—	30	Medium	Solve
48	PostgreSQL SELECT with LIMIT #2	PostgreSQL — SELECT basics postgresql coding-practice	—	30	Medium	Solve
49	Select price > 110 #2	SQL — SELECT basics sql coding-practice	—	30	Medium	Solve
50	T-SQL SELECT TOP 4 by salary #2	SQL Server — SELECT basics sqlserver coding-practice	—	30	Medium	Solve

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