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6 kyu
SQL: Regex AlphaNumeric Split
3,175PG1
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
7,786matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
11,519matt c
Completed Languages:
4 kyu
Dealing With Messy Data
1,191danicat
Completed Languages:
5 kyu
Using LATERAL JOIN To Get Top N per Group
1,879pmatseykanets
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,701pmatseykanets
Completed Languages:
7 kyu
SQL with LOTR: Elven Wildcards
9,079sHale
Completed Languages:
7 kyu
Maximum Multiple
29,793MrZizoScream
Completed Languages:
7 kyu
GROCERY STORE: Real Price!
3,674baaart
Completed Languages:
7 kyu
Easy SQL: Moving Values
4,489PG1
Completed Languages:
7 kyu
SQL: Concatenating Columns
12,837PG1
Completed Languages:
6 kyu
SQL Basics: Simple WITH
8,465matt c
Completed Languages:
6 kyu
Present JSON data the SQL way
1,122FArekkusu
Completed Languages:
6 kyu
SQL Basics: Simple FULL TEXT SEARCH
4,332matt c
Completed Languages:
6 kyu
Present XML data the SQL way
456FArekkusu
Completed Languages:
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