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PostgreSQL Advanced Architect Tutorial• 6 min read
Declarative Table Partitioning
Scale to billions of rows using declarative partitioning by RANGE, LIST, and HASH with automatic partition pruning.
Partitioning by Date Range
Dividing a massive billion-row table into monthly physical child partitions allows the query planner to completely skip reading unneeded months (Partition Pruning).
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Test Yourself With Exercise
What performance benefit occurs when PostgreSQL skips querying partitions that cannot contain relevant data?