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6 kyu
SQL Basics: Simple IN
12,865matt c
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SQL Bug Fixing: Fix the JOIN
9,220matt c
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8 kyu
MakeUpperCase
181,991wichu
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Number of countries visited
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SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,376marko-bekhta
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SQL: Regex String to Table
2,445PG1
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SQL Bug Fixing: Fix the QUERY - Totaling
8,893matt c
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Complementary DNA
227,360JustyFY
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6 kyu
Doors in the school
2,676eqlion
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5 kyu
Tic-Tac-Toe Checker
24,767eugene-bulkin
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5 kyu
Moving Zeros To The End
183,014xcthulhu
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5 kyu
Counting overlapping events
1,129qgppl
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Calculating Running Total
4,629pmatseykanets
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SQL Basics: Simple VIEW
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What's a Perfect Power anyway?
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