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255 problems in this topic

# Title Topics Acceptance Pts Difficulty
1 Average salary by department — 30 Medium Solve
2 MySQL SELECT with LIMIT — 20 Easy Solve
3 MySQL SELECT with LIMIT — 20 Easy Solve
4 PostgreSQL SELECT with ILIKE — 20 Easy Solve
5 Departments with total salary > 100000 — 40 Hard Solve
6 Avg by category #1 — 40 Hard Solve
7 MySQL AVG salary by dept #1 — 40 Hard Solve
8 PostgreSQL GROUP BY HAVING #1 — 40 Hard Solve
9 T-SQL AVG salary by department #1 — 40 Hard Solve
10 Avg by category #2 — 30 Medium Solve
11 MySQL AVG salary by dept #2 — 30 Medium Solve
12 PostgreSQL GROUP BY HAVING #2 — 30 Medium Solve
13 T-SQL AVG salary by department #2 — 30 Medium Solve
14 Avg by category #3 — 30 Medium Solve
15 MySQL AVG salary by dept #3 — 30 Medium Solve
16 PostgreSQL GROUP BY HAVING #3 — 30 Medium Solve
17 T-SQL AVG salary by department #3 — 20 Easy Solve
18 Avg by category #4 — 40 Hard Solve
19 MySQL AVG salary by dept #4 — 40 Hard Solve
20 PostgreSQL GROUP BY HAVING #4 — 40 Hard Solve
21 T-SQL AVG salary by department #4 — 30 Medium Solve
22 Avg by category #5 — 30 Medium Solve
23 MySQL AVG salary by dept #5 — 30 Medium Solve
24 PostgreSQL GROUP BY HAVING #5 — 30 Medium Solve
25 T-SQL AVG salary by department #5 — 40 Hard Solve
26 Avg by category #6 — 30 Medium Solve
27 MySQL AVG salary by dept #6 — 30 Medium Solve
28 PostgreSQL GROUP BY HAVING #6 — 30 Medium Solve
29 T-SQL AVG salary by department #6 — 30 Medium Solve
30 Avg by category #7 — 40 Hard Solve
31 MySQL AVG salary by dept #7 — 40 Hard Solve
32 PostgreSQL GROUP BY HAVING #7 — 40 Hard Solve
33 T-SQL AVG salary by department #7 — 20 Easy Solve
34 Avg by category #8 — 30 Medium Solve
35 MySQL AVG salary by dept #8 — 30 Medium Solve
36 PostgreSQL GROUP BY HAVING #8 — 30 Medium Solve
37 T-SQL AVG salary by department #8 — 30 Medium Solve
38 Avg by category #9 — 30 Medium Solve
39 MySQL AVG salary by dept #9 — 30 Medium Solve
40 PostgreSQL GROUP BY HAVING #9 — 30 Medium Solve
41 T-SQL AVG salary by department #9 — 40 Hard Solve
42 Avg by category #10 — 40 Hard Solve
43 MySQL AVG salary by dept #10 — 40 Hard Solve
44 PostgreSQL GROUP BY HAVING #10 — 40 Hard Solve
45 T-SQL AVG salary by department #10 — 30 Medium Solve
46 Avg by category #11 — 30 Medium Solve
47 MySQL AVG salary by dept #11 — 30 Medium Solve
48 PostgreSQL GROUP BY HAVING #11 — 30 Medium Solve
49 T-SQL AVG salary by department #11 — 20 Easy Solve
50 Avg by category #12 — 30 Medium Solve
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