Ad
6 kyu
SQL Basics: Simple NULL handling
8,172matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,025matt c
Completed Languages:
6 kyu
Analyzing the sales by product and date
2,107FArekkusu
Completed Languages:
5 kyu
Beeramid
17,820kylehill
Completed Languages:
5 kyu
Extract the domain name from a URL
80,051xianpants
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,354jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple FULL TEXT SEARCH
4,485matt c
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,880danicat
Completed Languages:
5 kyu
Directions Reduction
87,219g964
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,334matt c
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,759matt c
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the JOIN
9,148matt c
Completed Languages:
6 kyu
Conditional Count
7,302pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,828matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,418jhoffner
Completed Languages:
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