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6 kyu
SELECT prime numbers
2,530sq6jnx
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5 kyu
Count Weekdays
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7 kyu
SQL: Regex Replace
5,544PG1
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7 kyu
SQL: Disorder
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8 kyu
Easy SQL: Square Root and Log
9,413PG1
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GROCERY STORE: Real Price!
3,764baaart
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7 kyu
SQL with Sailor Moon: Thinking about JOINs...
8,130sHale
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Easy SQL: Moving Values
4,633PG1
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4 kyu
Dealing With Messy Data
1,240danicat
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5 kyu
SQL Basics: Group By Day
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SQL Basics: Create a FUNCTION
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6 kyu
SQL Basics: Create a FUNCTION (DATES)
3,464matt c
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6 kyu
SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,343marko-bekhta
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SQL Basics: Simple NULL handling
8,152matt c
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SQLonacci sequence
1,412marko-bekhta
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