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6/22/2026
DuckDB 1.5.2, PostgreSQL Internal Stats, and SQLite Virtual Table xUpdate Deep Dive

DuckDB 1.5.2, PostgreSQL Internal Stats, and SQLite Virtual Table xUpdate Deep Dive

Short summary

DuckDB 1.5.2 adds critical bugfixes, performance improvements, and official DuckLake v1.0 lakehouse support for embedded analytics. PostgreSQL pg_stats internals guide query optimization and database performance tuning for DBAs. SQLite's xUpdate method enables writable virtual tables with full DML capabilities, extending SQLite's utility for custom data sources.

  • •DuckDB 1.5.2 release includes stability fixes and DuckLake lakehouse format support
  • •PostgreSQL pg_stats deep dive essential for query planner tuning and performance optimization
  • •SQLite xUpdate unlocks writable virtual tables with INSERT/UPDATE/DELETE support

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