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6 kyu
Count the smiley faces!
96,354St3f4n
Completed Languages:
7 kyu
Unflatten a list (Easy)
1,479user5036852
Completed Languages:
7 kyu
Sum of odd numbers
164,384hhelwich
Completed Languages:
7 kyu
The highest profit wins!
96,972bkaes
Completed Languages:
7 kyu
Averages of numbers
10,469user5036852
Completed Languages:
6 kyu
Duplicate Encoder
220,843obnounce
Completed Languages:
8 kyu
Even or Odd
526,413suuuzi
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,818matt c
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,294matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
11,984matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,334jhoffner
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
19,708matt c
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,714matt c
Completed Languages:
8 kyu
SQL Basics: Simple DISTINCT
22,032matt c
Completed Languages:
8 kyu
SQL Basics: Simple SUM
20,960matt c
Completed Languages:
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