postgresql

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#postgresql

@0xlelouch_: 90% of PostgreSQL in 2026 comes down to mastering these 10 concepts: 1) MVCC + vacuum. Old row versions stick around; a…

X AI KOLs Following ↗ · 2026-08-22 Cached

The article lists ten essential PostgreSQL concepts to master in 2026 for efficient database management, covering MVCC, indexing, query optimization, and security.

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#postgresql

Pandas API for DuckDB, PostgreSQL & ClickHouse — keeping computation inside the database[P]

Reddit r/MachineLearning ↗ · 2026-08-19

memFrame is an open-source dataframe API that translates Python DataFrame operations to SQL, enabling computation to stay within databases like DuckDB, PostgreSQL, and ClickHouse, and includes a multiagent architecture for natural language data interaction.

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#postgresql

SQLite for Everything

Lobsters Hottest ↗ · 2026-08-19 Cached

The article advocates for SQLite as a versatile and stable database solution, highlighting its ability to replace multiple other tools in various tech stacks.

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#postgresql

PostgreSQL for Everything

Hacker News Top ↗ · 2026-08-19 Cached

This article argues that PostgreSQL is a versatile database solution capable of replacing multiple specialized technologies such as search engines, message queues, and caches, thereby simplifying IT setups.

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#postgresql

Built a weird agent skill RegretCheck-X

Reddit r/AI_Agents ↗ · 2026-08-16

The post describes RegretCheck-X, an agent skill that targets one high-risk assumption for verification, tested in scenarios like cloud migrations and database upgrades.

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#postgresql

@TencentAI_News: PostgreSQL just landed in CloudBase With CloudBase, your Vibe Coding product can spin up its own database with a single…

X AI KOLs Timeline ↗ · 2026-08-10 Cached

Tencent CloudBase adds PostgreSQL support, letting AI coding agents spin up isolated databases with a single prompt, with SQL-declared permissions and row-level security.

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#postgresql

Andy Pavlo Joins ClickHouse to Establish ClickHouse Labs

Hacker News Top ↗ · 2026-08-03 Cached

Andy Pavlo, a renowned database professor from Carnegie Mellon, joins ClickHouse to establish and lead ClickHouse Labs, a new research group focused on advancing database technology and integrating innovations into ClickHouse and PostgreSQL.

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#postgresql

@freeCodeCamp: Database triggers let PostgreSQL respond automatically when rows are inserted, updated, or deleted. In this tutorial, @…

X AI KOLs Timeline ↗ · 2026-08-03 Cached

This tutorial from freeCodeCamp teaches how PostgreSQL database triggers work, including creating them, BEFORE vs AFTER triggers, row-level vs statement-level triggers, and managing triggers safely.

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#postgresql

@Azure: Scale PostgreSQL reads the easy way. In #AzureFriday, @shanselman and Paula Berenguel show how PostgreSQL Flexible Serv…

X AI KOLs Timeline ↗ · 2026-07-31 Cached

Azure Friday episode with Scott Hanselman and Paula Berenguel demonstrates scaling read-heavy PostgreSQL workloads on Azure Database for PostgreSQL Flexible Server using read replicas and virtual endpoints for failover, following the same pattern that powers ChatGPT.

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#postgresql

@Docker: Docker Captain @nickjanetakis published a great guide on backing up PostgreSQL in Docker, covering local storage and le…

X AI KOLs Timeline ↗ · 2026-07-31 Cached

Docker shares a comprehensive guide by Nick Janetakis on backing up PostgreSQL in Docker, covering local storage, S3, and the open-source Plakar tool for reliable daily backups and restores.

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#postgresql

@freeCodeCamp: Distributed systems can break when a database write succeeds but the event publish fails. In this tutorial, @pliutau te…

X AI KOLs Timeline ↗ · 2026-07-31 Cached

This tutorial teaches how to implement the Outbox Pattern in Go and PostgreSQL to ensure reliable event publishing in distributed systems, including building a relay service and handling at-least-once delivery.

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#postgresql

PostgreSQL's MVCC is bad. So is everyone else's

Hacker News Top ↗ · 2026-07-29 Cached

A detailed technical analysis of PostgreSQL's MVCC design, its known drawbacks like write amplification and vacuum overhead, and a comparison to alternatives that shows all database engines face similar fundamental trade-offs.

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#postgresql

DBA-Bench: A Production-Fidelity Benchmark for LLM-Based Database Operations Agents

arXiv cs.CL ↗ · 2026-07-27 Cached

DBA-Bench is a production-fidelity benchmark for evaluating LLM-based database agents, featuring 106 scenarios across seven domains with outcome-first evaluation and controlled reproducibility. The best automated baseline achieves only 17.9% Safe Pass compared to 93.4% for human DBAs.

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#postgresql

PGSimCity - How PostgreSQL Works

Hacker News Top ↗ · 2026-07-27 Cached

PGSimCity is a 3D interactive model that visualizes the inner workings of the PostgreSQL database engine, providing an educational tool for understanding its architecture.

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#postgresql

The Order of Data: defaults, performance, determinism & paging

Lobsters Hottest ↗ · 2026-07-15 Cached

The article explains the undefined default ordering behavior in SQL queries without ORDER BY, using PostgreSQL examples to show how insertion order, updates, and deletions can change results, and warns against relying on default order for paging.

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#postgresql

@ErickSky: They rewrote PostgreSQL completely in Rust... and it already passes 100% of the official Postgres tests! Heads up, it's…

X AI KOLs Timeline ↗ · 2026-07-10 Cached

A ground-up reimplementation of PostgreSQL in Rust passes 100% of official tests, is disk-compatible, and claims significant performance improvements (50% faster transactional, ~300x faster analytical) in a WIP version.

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#postgresql

PgDog

Product Hunt ↗ · 2026-07-09

PgDog is a tool that allows you to scale PostgreSQL without modifying your application, providing connection pooling and load balancing.

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#postgresql

How to Achieve Pruning When Querying by Non-Partitioned Columns in PostgreSQL

Lobsters Hottest ↗ · 2026-07-09 Cached

This article demonstrates clever techniques to achieve partition pruning in PostgreSQL when filtering by non-partition key columns, going beyond conventional wisdom.

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#postgresql

Show HN: PostgreSQL performance and cost across 23 EC2 instance types

Hacker News Top ↗ · 2026-07-07 Cached

A website comparing PostgreSQL performance and cost across 23 EC2 instance types on AWS, with benchmarks at 33,000 RPS.

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#postgresql

PREEMPT_NONE Is Dead; Your Postgres Probably Doesn’t Care

Lobsters Hottest ↗ · 2026-07-06 Cached

Linux 7.0 removed the PREEMPT_NONE kernel preemption mode, causing a PostgreSQL benchmark regression in specific configurations, but most users will not notice the change.

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