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Bases de datos
TL;DR Percona Server for MySQL 9.7.2-2 now supports DISTANCE() for vector similarity scoring directly in SQL (COSINE, EUCLIDEAN, MANHATTAN, DOT metrics). This is the compute primitive you need to rank or filter embeddings by similarity…
On 16 September 2026, the Postgres Meetup for All user group met, organized by Elizabeth Christensen and Ryan Booz. Ryan Booz and Greg Potter delivered a talk. On 18 September 2026, Claire Giordano and Aaron Wislang hosted and published a…
Parallel apply workers speed up logical replication of large transactions—but only if you have enough of them.
I used AI tools to size an OLTP workload on an EC2 system, with DBT-5, a TPC-E-like fair-use implementation. I provided a systematic and mechanical plan for running a series of tests to determine what the appropriate scale factor is on a…