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6 kyu
Sort Strings by Most Contiguous Vowels
1,176jlb071
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Swap Case Using N
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6 kyu
SQL Basics: Simple NULL handling
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SQL Basics: Simple WITH
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SQL Basics - Monsters using CASE
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7 kyu
Running out of space
10,192coding251
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SQL Basics: Simple IN
12,879matt c
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SQL Basics: Simple EXISTS
13,453matt c
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7 kyu
Driving School Series #2
3,389kkavita92
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6 kyu
SQL Basics: Simple JOIN and RANK
13,338matt c
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SQL Basics: Simple table totaling.
10,235matt c
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SQL Basics: Top 10 customers by total payments amount
13,560jhoffner
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SQL Basics: Simple HAVING
19,460matt c
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5 kyu
Mahjong winning hand Validation #2: DA SAN YUAN(大三元)
33myjinxin2015
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Mahjong winning hand Validation #1: DA SI XI(大四喜)
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