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Draft
Classic Hello World
20,982Javatlacati
Completed Languages:
7 kyu
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884jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple IN
13,192matt c
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,714matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,958jhoffner
Completed Languages:
8 kyu
SQL Basics: Simple SUM
22,000matt c
Completed Languages:
8 kyu
1. Find all active students
14,829raymartxx
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
9,121matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,411matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
6,024matt c
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the JOIN
9,454matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,597jhoffner
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,790pmatseykanets
Completed Languages:
6 kyu
SQL Basics: Simple WITH
9,263matt c
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,489matt c
Completed Languages:
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