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5 kyu
SQL Basics: Simple PIVOTING data
2,786matt c
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6 kyu
SQL Basics: Simple EXISTS
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SQL Bug Fixing: Fix the JOIN
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4 kyu
Range Extraction
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5 kyu
Tic-Tac-Toe Checker
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7 kyu
SQL easy regex extraction
2,751Javatlacati
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Hello SQL World!
10,048Javatlacati
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Present JSON data the SQL way
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SQL Basics: Simple JOIN with COUNT
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SQL Basics: Top 10 customers by total payments amount
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5 kyu
PaginationHelper
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Is a number prime?
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Extract the domain name from a URL
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Simple Pig Latin
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Counting Duplicates
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