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Top Users by Sport Volume
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Top Users by Sport Volume

MediumSQL · PostgreSQL

Problem

Write a query to find the top 5 users by betting volume for each sport.

Use settled bets with a positive, non-null stake. Include the user's ID and name, the sport, and their total betting volume. Rank users by total volume within each sport, breaking ties by ascending user ID.

Output

  1. One row per qualifying user and sport, with sport_name, user_id, user_name, total_betting_volume, and sport_rank.
  2. Include only the top five users for each sport and sort by sport_name, then sport_rank.

Schema

users
ColumnTypeDescription
user_idPKINTUnique FanDuel user identifier
user_nameVARCHAR(100)Display name of the user
sports
ColumnTypeDescription
sport_idPKINTUnique sport identifier
sport_nameVARCHAR(50)Name of the sport
bets
ColumnTypeDescription
bet_idPKINTUnique bet identifier
user_idINTUser who placed the bet
sport_idINTSport associated with the bet
stakeNUMERIC(12,2)Amount wagered on the bet
statusVARCHAR(20)Settlement status of the bet
Tablesbetsuserssports
Interviewer

Your question is Top Users by Sport Volume. Start with the requirements and the three tables in the Question tab.

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CodePostgreSQL
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