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How would you create a materialized view for frequently accessed aggregated sales data?

SQLeasy0.2 min readPremium

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44 wordsInterview-ready

CREATE MATERIALIZED VIEW mv_sales_agg AS SELECT region, product, SUM(amount) FROM sales GROUP BY region, product; **Refresh**: REFRESH MATERIALIZED VIEW mv_sales_agg; **Incremental**: Some systems (Snowflake, Delta) support incremental. **Schedule**: Cron or dbt. **Trade-off**: Refresh cost vs. query savings....

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