freshness▌

Verify data freshness by checking table timestamps and update patterns against a staleness scale. \n \n Identifies timestamp columns using common ETL naming patterns ( _loaded_at , _updated_at , created_at , etc.) and queries their maximum values to determine age \n Classifies data into four freshness statuses: Fresh (< 4 hours), Stale (4–24 hours), Very Stale (> 24 hours), or Unknown (no timestamp found) \n Provides SQL templates for checking last update time and row count trends over rece