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5 kyu
SQL Tuning: Function Calls
1,898danicat
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,895pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,871matt c
Completed Languages:
5 kyu
Calculating Running Total
4,628pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,425jhoffner
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,582pmatseykanets
Completed Languages:
5 kyu
Count IP Addresses
29,117xDranik
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,864matt c
Completed Languages:
6 kyu
SQL Basics: Simple table totaling.
10,207matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,124matt c
Completed Languages:
6 kyu
SQL Basics - Monsters using CASE
10,931PG1
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,442matt c
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,312matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,534jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple HAVING
19,417matt c
Completed Languages:
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