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5 kyu
SQL Basics: Group By Day
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SQL with Sailor Moon: Thinking about JOINs...
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GROCERY STORE: Support Local Products
8,324baaart
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Easy SQL: Moving Values
4,603PG1
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Convert month name to number
416zimo
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7 kyu
Return the latest modified file
410ddellaquila
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8 kyu
Bash Basics - While Loop
2,442user5196477
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Returning Strings
221,302Aweson1
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6 kyu
SQL Basics: Top 10 customers by total payments amount
13,248jhoffner
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7 kyu
SQL Basics - Position
11,060PG1
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SQL Basics: Raise to the Power
11,768PG1
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6 kyu
SQL Basics: Simple JOIN and RANK
13,021matt c
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SQL Basics: Simple IN
12,625matt c
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SQL Basics: Simple EXISTS
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SQL Basics: Simple UNION ALL
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