SQL Queries

  • SQL To Compare Events Against Previous Activity

    This query is preparing your GA4 event data for session reconstruction. The goal is: “For every event, look at the event immediately before it for the same user.” That allows you to detect: You start with raw GA4 events like this: user_pseudo_id event_timestamp source A 10:00 google A 10:05 google A 11:00 facebook B…