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8 kyu
Even or Odd
567,030suuuzi
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Calculating Month-Over-Month Percentage Growth Rate
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Using Window Functions To Get Top N per Group
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SQL Basics: Simple PIVOTING data
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SQL Basics: Simple VIEW
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SQL Statistics: MIN, MEDIAN, MAX
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SQL Bug Fixing: Fix the JOIN
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SQL Basics: Simple UNION ALL
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Conditional Count
7,624pmatseykanets
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6 kyu
SQL Basics: Simple IN
13,202matt c
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6 kyu
SQL Basics: Simple JOIN and RANK
13,729matt c
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SQL Basics: Top 10 customers by total payments amount
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SQL: Regex AlphaNumeric Split
3,405PG1
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SQL Basics: Simple EXISTS
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