TILens Daily Edition
2026-09-27
Filters: topic=databases, github=hidden

Stats: 7 articles, 3 sources
Top topics: PostgreSQL, AI, JavaScript

## News

- Why JSON-to-SQL Conversion Fails in Production: 5 Schema Traps That Corrupt Data Migrations
  Source: devto-javascript
  Topic: JavaScript (+MongoDB)
  URL: https://dev.to/rasika_dangamuwa_ed1074fe/why-json-to-sql-conversion-fails-in-production-5-schema-traps-that-corrupt-data-migrations-3dca

## Community

- Radim Marek: What REPACK (CONCURRENTLY) costs while it runs
  Source: planet-postgresql
  Topic: PostgreSQL
  URL: https://postgr.es/p/9wj

- Chris van Eijk: PostgreSQL indexes for multi-tenant SaaS: tenant_id first
  Source: planet-postgresql
  Topic: PostgreSQL
  URL: https://postgr.es/p/9wi

- Chris van Eijk: Invoice numbers per tenant in PostgreSQL, without gaps
  Source: planet-postgresql
  Topic: PostgreSQL
  URL: https://postgr.es/p/9wh

- Vibhor Kumar: What “AI-Ready” Actually Means
  Source: planet-postgresql
  Topic: PostgreSQL (+AI)
  URL: https://postgr.es/p/9vM

- Christophe Pettus: All Your GUCs in a Row: max_standby_archive_delay and max_standby_streaming_delay
  Source: planet-postgresql
  Topic: PostgreSQL
  URL: https://postgr.es/p/9vK

- Footguns with Postgres “at time zone 'UTC'”
  Source: hacker-news
  Topic: General (+PostgreSQL)
  URL: https://bookofrevenue.com/blog/6ab81e9a97a13f0001f7e4e1/postgres-at-time-zone-u-does-not-do-what-you-think-it-does