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5 kyu
SQL Basics: Group By Day
7,339jhoffner
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6 kyu
SQL Bug Fixing: Fix the JOIN
9,129matt c
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6 kyu
Conditional Count
7,274pmatseykanets
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6 kyu
SQL Basics: Simple UNION ALL
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Hello SQL World!
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6 kyu
SQL Basics: Simple NULL handling
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Retired
SQL Basics: Simple HAVING (OLD)
212matt c
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8 kyu
SQL Basics: Simple WHERE and ORDER BY
25,694matt c
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6 kyu
SQL Basics: Simple IN
12,734matt c
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SQL Basics: Simple DISTINCT
22,062matt c
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8 kyu
SQL Basics: Simple MIN / MAX
20,814matt c
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8 kyu
SQL Basics: Simple SUM
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SQL Basics: Simple GROUP BY
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5 kyu
Extract the domain name from a URL
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Remove anchor from URL
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