Ad
6 kyu
SQL Basics: Simple NULL handling
8,217matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,102matt c
Completed Languages:
6 kyu
Analyzing the sales by product and date
2,114FArekkusu
Completed Languages:
5 kyu
Beeramid
18,083kylehill
Completed Languages:
5 kyu
Extract the domain name from a URL
81,074xianpants
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,406jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple FULL TEXT SEARCH
4,506matt c
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,891danicat
Completed Languages:
5 kyu
Directions Reduction
87,942g964
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,413matt c
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,840matt c
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the JOIN
9,194matt c
Completed Languages:
6 kyu
Conditional Count
7,351pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,858matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,505jhoffner
Completed Languages:
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