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5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,825matt c
Completed Languages:
6 kyu
SQL Basics: Simple WITH
8,900matt c
Completed Languages:
7 kyu
SQL Basics: Up and Down
8,068PG1
Completed Languages:
7 kyu
SQL with Harry Potter: Sorting Hat Comparators
9,222sHale
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,749matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,404jhoffner
Completed Languages:
3 kyu
Sudoku Solver
14,135pineappleclock
Completed Languages:
4 kyu
Most frequently used words in a text
28,007markprzepiora
Completed Languages:
5 kyu
Extract the domain name from a URL
79,938xianpants
Completed Languages:
4 kyu
The observed PIN
36,978BattleRattle
Completed Languages:
5 kyu
Simple Pig Latin
163,299user2505876
Completed Languages:
6 kyu
Reverse or rotate?
23,300g964
Completed Languages:
6 kyu
Array.diff
284,904marcinbunsch
Completed Languages:
6 kyu
Find The Parity Outlier
215,582obnounce
Completed Languages:
5 kyu
First non-repeating character
69,524OverZealous
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