Ad
7 kyu
SQL Basics: Simple GROUP BY
23,004matt c
Completed Languages:
7 kyu
Maximum Multiple
32,832MrZizoScream
Completed Languages:
7 kyu
SQL Basics: Repeat and Reverse
10,998PG1
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,952danicat
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
20,520matt c
Completed Languages:
7 kyu
SQL Basics: Create a FUNCTION
6,705matt c
Completed Languages:
5 kyu
Calculating Running Total
4,776pmatseykanets
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,818pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,887matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,603jhoffner
Completed Languages:
5 kyu
Count IP Addresses
30,984xDranik
Completed Languages:
3 kyu
Challenge: Transpose two-dimensional arrays
939pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
6,032matt c
Completed Languages:
6 kyu
SQL Basics: Simple IN
13,203matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,423matt c
Completed Languages:
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