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Postgre Sql 8 4
The document discusses release notes for PostgreSQL 8.4 and provides an overview of new features and improvements in this version, including: 1. Performance improvements such as visibility maps which optimize vacuum operations and reduce disk I/O. 2. Enhanced diagnostics including improved logging of query plans and added statistics collection. 3. Better support for high availability architectures through features like multi-master replication and improved restore capabilities.
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