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How does the Google Analytics 4 BigQuery export schema compare to the older Universal Analytics tables when building attribution models in Looker?

ChatGPTgpt-62 queries11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
How does the Google Analytics 4 BigQuery export schema compare to the older Universal Analytics tables when building attribution models in Looker?
2 real searches · 1 real-search pass
Google Analytics 4 BigQuery export schema events tables traffic_source collected_traffic_source session_traffic_source_last_click documentation Universal Analytics BigQuery export schemaGoogle ↗
OBSERVED
Looker GA4 BigQuery attribution modeling sessionization event data Universal Analytics export schema differencesGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

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Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
Google Analytics 4 BigQuery export schema events tables traffic_source collected_traffic_source session_traffic_source_last_click documentation Universal Analytics BigQuery export schema Google ↗
Looker GA4 BigQuery attribution modeling sessionization event data Universal Analytics export schema differences Google ↗
  1. legacy UA schema · support.google.com
  2. GA4 export schema · support.google.com
  3. [UA] BigQuery Export schema [Legacy] · support.google.com
  4. BigQuery Export schema · support.google.com
  5. Traffic attribution data  |  Google Analytics  |  Google for Developers · developers.google.com
  6. BigQuery Export schema · support.google.com

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Google Analytics 4 BigQuery export schema events tables traffic_source collected_traffic_source session_traffic_source_last_click documentation Universal Analytics BigQuery export schema
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Looker GA4 BigQuery attribution modeling sessionization event data Universal Analytics export schema differences
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1