How do reports read pre-aggregated summaries for speed?

Reports read pre-aggregated summaries where possible rather than recomputing over raw transactions every time, which keeps them fast even on large datasets. Background processes roll data up into daily summaries (the same approach the analytics use), so when a report loads it queries compact summary data instead of scanning the full history. This is what lets reporting stay responsive at…

Reports read pre-aggregated summaries where possible rather than recomputing over raw transactions every time, which keeps them fast even on large datasets. Background processes roll data up into daily summaries (the same approach the analytics use), so when a report loads it queries compact summary data instead of scanning the full history. This is what lets reporting stay responsive at scale — the expensive aggregation happens ahead of time, not on every report view.