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6 kyu
SQL Basics: Simple EXISTS
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Calculating Batting Average
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5 kyu
Relational division: Find all movies two actors cast in together
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Count Weekdays
1,468pmatseykanets
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SQL Basics: Group By Day
7,387jhoffner
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SQL Basics: Simple Hierarchical structure
2,841matt c
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5 kyu
SQL Basics: Simple PIVOTING data
2,801matt c
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SQLonacci sequence
1,422marko-bekhta
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6 kyu
SQL: Regex AlphaNumeric Split
3,304PG1
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6 kyu
SQL Basics: Simple HAVING
19,343matt c
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5 kyu
SQL Basics: Simple VIEW
3,994matt c
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5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,844matt c
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6 kyu
SQL Basics - Monsters using CASE
10,885PG1
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4 kyu
Strip Comments
52,945jhoffner
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SELECT prime numbers
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