Ad
4 kyu
Challenge: Two actors who cast together the most
3,273pmatseykanets
Completed Languages:
6 kyu
SQL Basics: Simple WITH
8,873matt c
Completed Languages:
5 kyu
Calculating Running Total
4,579pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,336jhoffner
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
8,772matt c
Completed Languages:
6 kyu
Conditional Count
7,263pmatseykanets
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the JOIN
9,122matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,819matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
11,984matt c
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,140matt c
Completed Languages:
6 kyu
SQL Basics: Simple HAVING
19,196matt c
Completed Languages:
6 kyu
Subqueries master
1,639Javatlacati
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,140matt c
Completed Languages:
6 kyu
SQL Basics: Simple table totaling.
10,077matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,377jhoffner
Completed Languages:
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