https://www.infoq.com InfoQ Database News feed https://www.infoq.com/news/2026/11/postgresql-vector-search/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Database-news <img src="https://res.infoq.com/news/2026/11/postgresql-vector-search/en/headerimage/generatedHeaderImage-1792331528868.jpg"/><p>Tiger Data has released pg_vectorsearch, an open source PostgreSQL extension for vector similarity search, currently in alpha. Its PRISM index uses data partitioning and compression instead of the graph-based approach used by pgvector’s HNSW index, reducing memory requirements and index build times.</p> <i>By Renato Losio</i> vector databases Database Open Source Relational Databases Postgres Development AI, ML & Data Engineering news Sat, 07 Nov 2026 09:49:00 GMT https://www.infoq.com/news/2026/11/postgresql-vector-search/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Database-news Renato Losio 2026-11-07T09:49:00Z /news/2026/11/postgresql-vector-search/en