sql Coding Problems

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

2292 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
801	Avg by category #3	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
802	MySQL AVG salary by dept #3	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
803	PostgreSQL GROUP BY HAVING #3	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
804	T-SQL AVG salary by department #3	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
805	Avg by category #4	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
806	MySQL AVG salary by dept #4	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
807	PostgreSQL GROUP BY HAVING #4	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
808	T-SQL AVG salary by department #4	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
809	Avg by category #5	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
810	MySQL AVG salary by dept #5	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
811	PostgreSQL GROUP BY HAVING #5	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
812	T-SQL AVG salary by department #5	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
813	Avg by category #6	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
814	MySQL AVG salary by dept #6	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
815	PostgreSQL GROUP BY HAVING #6	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
816	T-SQL AVG salary by department #6	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
817	Avg by category #7	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
818	MySQL AVG salary by dept #7	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
819	PostgreSQL GROUP BY HAVING #7	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
820	T-SQL AVG salary by department #7	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
821	Avg by category #8	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
822	MySQL AVG salary by dept #8	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
823	PostgreSQL GROUP BY HAVING #8	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
824	T-SQL AVG salary by department #8	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
825	Avg by category #9	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
826	MySQL AVG salary by dept #9	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
827	PostgreSQL GROUP BY HAVING #9	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
828	T-SQL AVG salary by department #9	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
829	Avg by category #10	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
830	MySQL AVG salary by dept #10	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
831	PostgreSQL GROUP BY HAVING #10	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
832	T-SQL AVG salary by department #10	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
833	Avg by category #11	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
834	MySQL AVG salary by dept #11	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
835	PostgreSQL GROUP BY HAVING #11	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
836	T-SQL AVG salary by department #11	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
837	Avg by category #12	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
838	MySQL AVG salary by dept #12	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
839	PostgreSQL GROUP BY HAVING #12	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
840	T-SQL AVG salary by department #12	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
841	Avg by category #13	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
842	MySQL AVG salary by dept #13	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
843	PostgreSQL GROUP BY HAVING #13	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
844	T-SQL AVG salary by department #13	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
845	Avg by category #14	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
846	MySQL AVG salary by dept #14	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
847	PostgreSQL GROUP BY HAVING #14	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
848	T-SQL AVG salary by department #14	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
849	Avg by category #15	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
850	MySQL AVG salary by dept #15	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve

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Graph Valid Tree

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