rural_jay_3142
Exemplar
Top 2.7%
Member Nº 4483
Joined Aug 2026
SQL
Nulls in Joins
String Building
Null Defaulting
Python
Modules
Tuples
Strings
Spark
Regex Functions
Catalyst Optimizer
Salting Strategy
Data Modeling
Metric Additivity
Solved
Milestones
10 solved
585 runs in the past 26 weeksActive days: 9 · Max streak: 3
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Recent solves
NULL Values: Intermediate
SQL · medium · lesson
NULL Values: Intermediate
SQL · medium · lesson
NULL Values: Intermediate
SQL · medium · lesson
NULL Values: Intermediate, COALESCE and NULLIF patterns Challenge 2
SQL · medium · lesson
NULL Values: Intermediate, NULLIF for sentinel values Challenge 4
SQL · medium · lesson
NULL Values: Intermediate, NULLIF for sentinel values Challenge 2
SQL · medium · lesson
NULL Values: Intermediate, COALESCE for defaults Challenge 2
SQL · medium · lesson
NULL Values: Intermediate, NULLs in INNER and LEFT JOINs Challenge 3
SQL · medium · lesson
NULL Values: Intermediate, NULLs in INNER and LEFT JOINs Challenge 2
SQL · medium · lesson
NULL Values: Intermediate, Sentinel values and fake NULLs Challenge 4
SQL · medium · lesson