Hacker News with Generative AI: Database Management

PostgreSQL IDE in VS Code (microsoft.com)
We are excited to announce the public preview of the brand-new PostgreSQL extension for Visual Studio Code (VS Code), designed to simplify PostgreSQL database management and development workflows. With this extension, you can now manage database objects, draft queries with intelligent assistance from context-aware IntelliSense and our ‘@pgsql’ GitHub Copilot agent—all without ever leaving your favorite code editor.
OpenAI: Scaling PostgreSQL to the Next Level (pixelstech.net)
At the PGConf.dev 2025 Global Developer Conference, Bohan Zhang from OpenAI shared OpenAI’s best practices with PostgreSQL, offering a glimpse into the database usage of one of the most prominent unicorn companies.
Pg-Schema-Diff – Diffing Postgres Schemas and Generating SQL Migrations (github.com/stripe)
Computes the diff(erences) between Postgres database schemas and generates the SQL required to get your database schema from point A to B with minimal downtime & locks. This enables you to take your database and migrate it to any desired schema defined in plain DDL.
Another look into PostgreSQL CTE materialization and non-idempotent subqueries (shayon.dev)
A few days ago, I wrote about a surprising planner behavior with CTEs, DELETE, and LIMIT in PostgreSQL, a piece I hastily put together on a bus ride.
Shardines: SQLite3 Database-per-Tenant with ActiveRecord (julik.nl)
There is a pattern I am very fond of - “one database per tenant” in web applications with multiple, isolated users. Recently, I needed to fix an application I had for a long time where this database-per-tenant multitenancy utterly broke down, because I was doing connection management wrong. Which begat the question: how do you even approach doing it right?
Introducting dba: The Autonomous AI Agent for Postgres (tembo.io)
We made an autonomous AI Agent that closes the gap between Postgres monitoring and software engineering. We invite you to join the waitlist to try it out.
Adminer: Database management in a single PHP file (github.com/vrana)
Handling Database Failures in a Distributed System with RabbitMQ Workers (ycombinator.com)
I have a worker that processes tasks from RabbitMQ and inserts data into a database. The system operates at high scale, handling thousands of messages per second, which makes proper failure handling crucial to avoid overwhelming the system.
Using high bandwidth PCIe 5 SSDs in databases (springer.com)
Pgroll – Zero-downtime, reversible, schema changes for PostgreSQL (new website) (pgroll.com)
Migrating billions of records: moving Cloudflare DNS database while it's in use (cloudflare.com)
According to a survey done by W3Techs, as of October 2024, Cloudflare is used as an authoritative DNS provider by 14.5% of all websites.
Cash App migrated 400TB of data to PlanetScale's cloud (planetscale.com)
Cash App's move to PlanetScale resulted in streamlined database operations, improved performance, and reduced operational overhead.
Migrating billions of records: moving our active DNS database while it's in use (cloudflare.com)
According to a survey done by W3Techs, as of October 2024, Cloudflare is used as an authoritative DNS provider by 14.5% of all websites.
Nuance: Preventing Schema Migrations from Causing Outages (citystoragesystems.com)
At CloudKitchens, we reviewed all database-related outages over the last few years and found that roughly 80% were caused by schema management issues.
Compiling and running sqlite3-rsync from a branch (simonwillison.net)
Today I heard about the sqlite3-rsync command, currently available in a branch in the SQLite code repository. It provides a mechanism for efficiently creating or updating a copy of a SQLite database that is running in WAL mode, either locally or via SSH to another server.
Database Migrations in Kubernetes (packagemain.tech)
In the era of microservices and Kubernetes, managing database migrations has become more complex than ever. Traditional methods of running migrations during application startup are no longer sufficient.
Many small queries are efficient in SQLite (sqlite.org)
Postgres Psql: Settings, Presets, Echo, and Saved Queries (crunchydata.com)
DB Browser for SQLite (Windows, macOS, and Most Versions of Linux) (sqlitebrowser.org)
LedgerStore Supports Trillions of Indexes at Uber (uber.com)
Migrating Uber's ledger data from DynamoDB to LedgerStore (uber.com)
When to split patches for PostgreSQL (eisentraut.org)
Oracle Shared Pool Internals: Allocated Chunk Status Indicators in Heap Dumps (tanelpoder.com)
The PostgreSQL community debates ALTER SYSTEM (lwn.net)
Loading a trillion rows of weather data into TimescaleDB (aliramadhan.me)