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6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
8,833matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,844matt c
Completed Languages:
5 kyu
SQL Basics: Simple Hierarchical structure
2,841matt c
Completed Languages:
6 kyu
SQL Basics: Simple WITH
8,940matt c
Completed Languages:
7 kyu
SQL Basics: Simple GROUP BY
22,347matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,474jhoffner
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
19,861matt c
Completed Languages:
7 kyu
GROCERY STORE: Logistic Optimisation
6,108baaart
Completed Languages:
6 kyu
Calculating Batting Average
5,473AdamRFSwayze
Completed Languages:
6 kyu
SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,358marko-bekhta
Completed Languages:
7 kyu
SQL Basics: Up and Down
8,110PG1
Completed Languages:
7 kyu
SQL Basics: Raise to the Power
11,933PG1
Completed Languages:
7 kyu
SQL: Disorder
4,917Voile
Completed Languages:
7 kyu
Easy SQL: Bit Length
8,352PG1
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,198matt c
Completed Languages:
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