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6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
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SQL Grasshopper: Select Columns
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Decode the Morse code
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Defuse the bombs!
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SQL Basics: Create a FUNCTION (DATES)
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SQL Basics: Simple FULL TEXT SEARCH
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5 kyu
SQL Basics: Group By Day
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SQL Basics: Simple table totaling.
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SQL Basics: Create a FUNCTION
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SQL Basics: Simple NULL handling
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Relational division: Find all movies two actors cast in together
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SQL Basics: Simple WITH
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SQL Basics: Simple PIVOTING data
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SQL Basics: Simple VIEW
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SQL Basics: Simple JOIN and RANK
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