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6 kyu
SQL Basics: Top 10 customers by total payments amount
13,471jhoffner
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6 kyu
SQL Basics: Simple EXISTS
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SQL Basics: Simple IN
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7 kyu
SQL: Disorder
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SQL Basics: Up and Down
8,108PG1
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SQL Basics: Simple GROUP BY
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7 kyu
Easy SQL: Counting and Grouping
15,264PG1
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GROCERY STORE: Logistic Optimisation
6,107baaart
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7 kyu
SQL: Padding Encryption
3,896PG1
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7 kyu
SQL with Street Fighter: Total Wins
8,803sHale
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7 kyu
SQL Basics: Create a FUNCTION
6,545matt c
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7 kyu
SQL Basics: Simple JOIN
21,895jhoffner
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8 kyu
SQL Basics: Simple SUM
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SQL Basics: Simple DISTINCT
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SQL Basics: Simple HAVING
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