Ad
4 kyu
Challenge: Two actors who cast together the most
3,241pmatseykanets
Completed Languages:
6 kyu
SQL Basics: Simple WITH
8,784matt c
Completed Languages:
5 kyu
Calculating Running Total
4,521pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,281jhoffner
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
8,689matt c
Completed Languages:
6 kyu
Conditional Count
7,192pmatseykanets
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the JOIN
9,033matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,761matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
11,882matt c
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,058matt c
Completed Languages:
6 kyu
SQL Basics: Simple HAVING
19,001matt c
Completed Languages:
6 kyu
Subqueries master
1,628Javatlacati
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,005matt c
Completed Languages:
6 kyu
SQL Basics: Simple table totaling.
9,972matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,239jhoffner
Completed Languages:
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