Heighten SQL Abilities with SQL Problem/Solution Examples That Include a Time Component

  • month- the month of the trips
  • num_trips- the number of trips in that month
  • owner_user_id- the user ID
  • q_creation_date- the first time the user asked a question
  • a_creation_date- the first time the user contributed an answer
  • owner_user_id- the IDs of all users who posted at least one question or answer on January 1, 2019. Each user should appear at most once.

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