dominator_pote_ny
Exemplar
Top 2.2%
Member Nº 1779
Joined Jun 2026
SQL
Array Operations
JSON Extraction
Maps
Spark
Exploding Arrays
Regex Functions
Catalyst Optimizer
Data Modeling
Self-Referential
Many-to-Many
One-to-One
Solved
SQL6
Python0
Milestones
Top 100
1,122 runs in the past 26 weeksActive days: 24 · Max streak: 5
MarAprMayJunJulAugSep
Recent solves
Find all events that have a 'country' property defined
SQL · medium · lesson
For each event, list the names of all its properties as prop_names and count how many properties it
SQL · medium · lesson
Group events by the 'source' field extracted from payload using JSON_EXTRACT_SCALAR
SQL · medium · lesson
Find button click events and extract the button_id from the payload JSON column.
SQL · medium · lesson
For each event, return event_id and its tags sorted alphabetically with duplicates removed.
SQL · medium · lesson
For each event, remove duplicate tags and return the event_id, the deduplicated tags, and the count
SQL · medium · lesson
For each event, return the event_id, its first tag, and whether the tags include 'mobile'.
SQL · medium · lesson
Count the number of tags for each event using CARDINALITY, and only include events that have more th
SQL · medium · lesson
Low Uptime Services
SQL · easy
From event_data, return event_id and JSON_EXTRACT_SCALAR(properties, '$.os') as os
SQL · medium · lesson