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  3. Query Processing and Optimization
  4. Statistics and Histograms

Part 04 · Query Processing and Optimization

Statistics and Histograms

ANALYZEpg_statsHistogramMost common values

What the database knows about your data before running a query: row counts, distinct values, most common values and histograms, read straight from pg_stats.

⏱ 6 min · Station 30 of 123

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