Ad
7 kyu
SQL Basics: Simple GROUP BY
22,457matt c
Completed Languages:
7 kyu
Maximum Multiple
32,110MrZizoScream
Completed Languages:
7 kyu
SQL Basics: Repeat and Reverse
10,702PG1
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,899danicat
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
19,987matt c
Completed Languages:
7 kyu
SQL Basics: Create a FUNCTION
6,575matt c
Completed Languages:
5 kyu
Calculating Running Total
4,632pmatseykanets
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,590pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,825matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,431jhoffner
Completed Languages:
5 kyu
Count IP Addresses
29,178xDranik
Completed Languages:
3 kyu
Challenge: Transpose two-dimensional arrays
916pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,876matt c
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,874matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,134matt c
Completed Languages:
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