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8 changes: 8 additions & 0 deletions sql-assessment/SQL Question 3
Original file line number Diff line number Diff line change
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SELECT
campaign_id,
SUM(cost) AS total_cost,
SUM(impressions) AS total_impressions,
SUM(clicks) AS total_clicks,
SUM(revenue) AS total_revenue
FROM marketing_performance
GROUP BY campaign_id;