Ad
6 kyu
SQL Basics: Simple NULL handling
8,526matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,457matt c
Completed Languages:
6 kyu
Analyzing the sales by product and date
2,170FArekkusu
Completed Languages:
5 kyu
Beeramid
19,547kylehill
Completed Languages:
5 kyu
Extract the domain name from a URL
86,274xianpants
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,615jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple FULL TEXT SEARCH
4,617matt c
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,960danicat
Completed Languages:
5 kyu
Directions Reduction
92,070g964
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,833matt c
Completed Languages:
6 kyu
SQL Basics: Simple IN
13,240matt c
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the JOIN
9,492matt c
Completed Languages:
6 kyu
Conditional Count
7,675pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
6,052matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
14,138jhoffner
Completed Languages:
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