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6 kyu
SQL Basics: Top 10 customers by total payments amount
13,250jhoffner
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6 kyu
SQL Basics: Simple EXISTS
13,187matt c
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6 kyu
SQL Basics: Simple IN
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7 kyu
SQL: Disorder
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SQL Basics: Up and Down
7,995PG1
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SQL Basics: Simple GROUP BY
21,997matt c
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7 kyu
Easy SQL: Counting and Grouping
15,009PG1
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7 kyu
GROCERY STORE: Logistic Optimisation
6,042baaart
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7 kyu
SQL: Padding Encryption
3,863PG1
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7 kyu
SQL with Street Fighter: Total Wins
8,638sHale
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7 kyu
SQL Basics: Create a FUNCTION
6,480matt c
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7 kyu
SQL Basics: Simple JOIN
21,524jhoffner
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8 kyu
SQL Basics: Simple SUM
20,681matt c
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SQL Basics: Simple DISTINCT
21,775matt c
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6 kyu
SQL Basics: Simple HAVING
19,024matt c
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