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7 kyu
SQL: Disorder
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SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
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SELECT prime numbers
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SQL Basics: Simple JOIN and RANK
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Challenge: Two actors who cast together the most
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SQLonacci sequence
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SQL Basics - Monsters using CASE
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SQL Basics: Simple HAVING
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SQL Tuning: Function Calls
1,900danicat
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SQL Basics: Simple VIEW
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SQL Basics: Simple IN
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SQL Bug Fixing: Fix the JOIN
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6 kyu
SQL Basics: Simple WITH
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7 kyu
SQL Basics: Simple JOIN
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SQL Basics: Simple table totaling.
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