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4 kyu
Challenge: Two actors who cast together the most
3,280pmatseykanets
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5 kyu
SQL Basics: Simple PIVOTING data
2,787matt c
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6 kyu
Conditional Count
7,294pmatseykanets
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SQL Basics: Simple UNION ALL
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SQL Basics: Simple IN
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SQL Basics - Monsters using CASE
10,832PG1
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SQL Basics: Simple EXISTS
13,330matt c
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SQL Basics: Simple JOIN and RANK
13,180matt c
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SQL Basics: Top 10 customers by total payments amount
13,407jhoffner
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6 kyu
SQL Basics: Simple HAVING
19,254matt c
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7 kyu
Simple Fun #74: Growing Plant
12,144myjinxin2015
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7 kyu
Sum of Triangular Numbers
16,967ThomasL
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7 kyu
SQL: Concatenating Columns
13,437PG1
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SQL with LOTR: Elven Wildcards
9,462sHale
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Easy SQL: Counting and Grouping
15,205PG1
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