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6 kyu
Count the smiley faces!
101,912St3f4n
Completed Languages:
7 kyu
Unflatten a list (Easy)
1,687user5036852
Completed Languages:
7 kyu
Sum of odd numbers
173,842hhelwich
Completed Languages:
7 kyu
The highest profit wins!
104,175bkaes
Completed Languages:
7 kyu
Averages of numbers
10,800user5036852
Completed Languages:
6 kyu
Duplicate Encoder
234,414obnounce
Completed Languages:
8 kyu
Even or Odd
567,421suuuzi
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
6,035matt c
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,795matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,426matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,605jhoffner
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
20,522matt c
Completed Languages:
6 kyu
SQL Basics: Simple IN
13,210matt c
Completed Languages:
8 kyu
SQL Basics: Simple DISTINCT
23,157matt c
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8 kyu
SQL Basics: Simple SUM
22,035matt c
Completed Languages:
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