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5 Новости
A Materialized View in PostgreSQL is a database object that stores the result of a query physically on disk, unlike a regular view that only stores the query itself. Materialized views improve performance for complex queries but require manual refreshing to update the stored data.
Key Takeaways
- PostgreSQL requires manual or scheduled refresh and does not support incremental refresh.
- PostgreSQL requires explicit query changes to use materialized views effectively.
- PostgreSQL supports REFRESH CONCURRENTLY, reducing locking issues, while Oracle handles this natively.
- PostgreSQL does not support incremental Refresh for Large Data
- PostgreSQL does not support Real-time Data Updates