News — 2025-10-01

• Smarter AI Search, Powered by MongoDB Atlas and Pureinsights
  MongoDB
• Larger than RAM Vector Indexes for Relational Databases
  PlanetScale · by Vicent Martí
• Ask HN: What's your experience with using graph databases for agentic use-cases?
  HackerNews · 83 points · 53 comments · by mpetyak · HN discussion
• PostgreSQL 18 New Features
  HackerNews · 3 points · by bricss · HN discussion