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6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
9,118matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
6,023matt c
Completed Languages:
5 kyu
SQL Basics: Simple Hierarchical structure
2,937matt c
Completed Languages:
6 kyu
SQL Basics: Simple WITH
9,261matt c
Completed Languages:
7 kyu
SQL Basics: Simple GROUP BY
22,981matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,950jhoffner
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
20,506matt c
Completed Languages:
7 kyu
GROCERY STORE: Logistic Optimisation
6,249baaart
Completed Languages:
6 kyu
Calculating Batting Average
5,596AdamRFSwayze
Completed Languages:
6 kyu
SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,442marko-bekhta
Completed Languages:
7 kyu
SQL Basics: Up and Down
8,392PG1
Completed Languages:
7 kyu
SQL Basics: Raise to the Power
12,323PG1
Completed Languages:
7 kyu
SQL: Disorder
5,055Voile
Completed Languages:
7 kyu
Easy SQL: Bit Length
8,627PG1
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,485matt c
Completed Languages:
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