News — 2026-07-29

• AI-Powered Retrieval in PostgreSQL with Azure HorizonDB
  Azure Database for PostgreSQL · by FranckPachot
• Migrate to Amazon Keyspaces with zero downtime using ZDM Proxy
  AWS Database Blog · by Chetan Nandikanti
• Troubleshooting SQL Server query performance on Amazon RDS
  AWS Database Blog · by Nirupam Datta
• Building scalable applications on Amazon Aurora DSQL
  AWS Database Blog · by Tejas Dubey
• PostgreSQL's MVCC is bad. So is everyone else's
  HackerNews · 26 points · 19 comments · by masklinn · HN discussion
• PostgreSQL Autovacuum Internals and Benchmark
  HackerNews · 5 points · by nikolay_sivko · HN discussion
• The Art of PostgreSQL
  HackerNews · 3 points · by lemonberry · HN discussion
• Ask HN: How would you learn AI-assisted development from the ground up?
  HackerNews · 2 points · 4 comments · by SMAAART · HN discussion
• AI-Powered Retrieval in PostgreSQL with Azure HorizonDB
  HackerNews · 2 points · by franckpachot · HN discussion
• Databases in Depth – SQLite · DuckDB · PostgreSQL · MariaDB · ClickHouse · Mongo
  HackerNews · 2 points · by truth_seeker · HN discussion
• Why strict memory overcommit matters for Postgres
  HackerNews · 1 points · by saisrirampur · HN discussion
• Show HN: SSO for PostgreSQL Using OAuth2/OIDC
  HackerNews · 1 points · by Sathwickp · HN discussion