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Your Postgres will die at 50 concurrent users, not 50,000. Here is the connection pooling guide nobody handed you.

Disclosure: I am a senior backend tech lead in Paris and I run HostingGuru, a small European PaaS for solo founders and small teams. This article ment…

postgreswebdevdevopsbeginners
Dev.to Jun 15, 2026, 18:23 UTC
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I turned the psql commands I keep forgetting into buttons

You know the command exists. You've run it a dozen times. But every single time you need to see what's actually running on your database, you end up t…

postgresdjango
Dev.to Jun 15, 2026, 12:34 UTC
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The Deep Mechanics of Online Bulk Deletion in PostgreSQL

MVCC, WAL, vacuum, and replication slots under sustained delete load - and how to delete billions of rows without your database noticing Most "how to …

databaseperformancepostgressql
Dev.to Jun 14, 2026, 18:35 UTC
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"Confluence Docs Lie. Tie Your Documentation to Code Instead."

Every team has that Confluence page. The one that was carefully written to explain what the service does, what the API looks like, what each DB column…

javadocumentationpostgreskafka
Dev.to Jun 13, 2026, 20:23 UTC
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The Multi-Tenant Fortress: Bank-Grade Data Isolation in PostgreSQL

In a multi-tenant B2B platform, data leakage is an extinction-level event. If Property A logs into your dashboard and accidentally sees the guest data…

architecturedatabasepostgressecurity
Dev.to Jun 13, 2026, 01:55 UTC
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Advice Needed: Best Way to Build a Hospital Medicine Tracking App as a Beginner

Hi Dev Community! I am a CS graduate. I want to build an industry-standard full-stack app for my portfolio on my own. Recently, I have learned the bas…

flutterpostgresdartfullstack
Dev.to Jun 11, 2026, 05:24 UTC
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ParadeDB NPM Package Seeks Feedback on Simplifying Postgres Integration with JavaScript via Drizzle ORM

Introduction: Bridging the Gap Between Postgres and JavaScript with ParadeDB The ParadeDB NPM package emerges as a targeted solution to a growing pain…

postgresjavascriptdrizzleormvectorsearch
Dev.to Jun 5, 2026, 19:35 UTC
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I got tired of writing the same history table boilerplate, so I built a Postgres extension

There's this problem I kept running into - first during my internship, then again on a freelance project I picked up afterward. Both of them used Post…

postgresopensourcesqldatabase
Dev.to Jun 5, 2026, 17:31 UTC
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APScheduler's Advisory Lock Failure: My Solo VM's Scheduler Died Permanently

APScheduler's Advisory Lock Failure: My Solo VM's Scheduler Died Permanently It started with a user report: "Content engine auto-publishing should put…

schedulerpostgresadvisorylockleaderelection
Dev.to Jun 5, 2026, 03:23 UTC
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Less boilerplate than raw SQL, less magic than ORM: generating PostgreSQL queries from Go structs

I like writing SQL manually in Go. Especially with pgx or database/sql, it gives you explicit control over what happens: no hidden queries, no entity …

gopostgressqlopensource
Dev.to Jun 4, 2026, 09:36 UTC
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I built DBeast: a PostgreSQL MCP server that gives AI assistants DBA-level tools

AI assistants can write SQL. But writing SQL is only a small part of working with a real database. Most database work is investigation: What tables ex…

postgresaiopensourcemcp
Dev.to Jun 2, 2026, 21:25 UTC
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Three SQL Injection Patterns That Still Ship in Node.js — And the ESLint Rule That Catches Them

TypeScript passed it clean. The code reviewer approved it. It shipped to production. Three months later, a penetration tester sent a report. The vulne…

securitypostgresnodeeslint
Dev.to May 31, 2026, 04:35 UTC
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From AI Code Generation to AI System Investigation

I Released AI DB Investigator - A Skill for Structured Database Analysis AI is very good at generating answers. But when it comes to database problems…

aidatabasepostgresopensource
Dev.to May 22, 2026, 22:41 UTC
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How we're using Gemini Embeddings to build a smarter, community-driven feed on DEV

Big improvements incoming 👋 Finding the right balance for a feed algorithm is historically really hard. If you optimize purely for clicks and comments…

geminiaigooglecloudpostgres
Dev.to May 22, 2026, 16:27 UTC
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Maintaining an Agent-Searchable Profile: Public Impressions, Semantic Tags, and Real-Time Refresh

AI agents are becoming a new interface not only for finding people, but also for maintaining the profile that other agents search. Instead of opening …

postgresagentskillsarchitecturediscuss
Dev.to May 16, 2026, 05:06 UTC
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Design review: Live SQL queries on PostgreSQL

I’ve been experimenting with something I’ve wanted for a long time: "live mode" in SQL. Today, this is now possible on PostgreSQL: const result = awai…

postgressqldatabasejavascript
Dev.to May 13, 2026, 15:20 UTC
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I keep writing the same Pydantic-asyncpg wrapper. So I published it.

I've built this thin Pydantic-over-asyncpg layer too many times now. Every project ends up with the same shape: a Row class for typed tables, raw SQL …

pythondatabaseasyncpostgres
Dev.to May 12, 2026, 07:11 UTC
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I found 3 silent revenue-leaking bugs in my SaaS in 45 minutes (and the meta-lesson)

I run a small aviation SaaS ($45 MRR, 3 paying customers, 75% churn). This morning I decided to actually look at my data instead of write more code. I…

saasindiehackerspostgresdebugging
Dev.to May 12, 2026, 05:18 UTC
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RetailSale – Open Source Flutter Retail & POS System | Contributors Welcome

RetailSale is an open-source retail and inventory management system built with Flutter, and the project is open for contributions from developers, tes…

flutterdartnodepostgres
Dev.to May 11, 2026, 02:07 UTC
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Building an Authentication Starter: Lessons from Integrating Next.js, PostgreSQL, Prisma, and NextAuth

Building an Authentication Starter: Lessons from Integrating Next.js, PostgreSQL, Prisma, and NextAuth When starting a new web project, setting up use…

nextjspostgressecuritywebdev
Dev.to May 9, 2026, 11:36 UTC
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10 RAG Architecture Mistakes Fintechs Make in Their First Production Deployment

This article was originally published on JustSoftLab Insights . We've shipped RAG systems for regulated fintech clients across the past two years — fr…

ragfintechmachinelearningpostgres
Dev.to May 8, 2026, 02:45 UTC
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How NGB Platform Works: Documents, Posting, Registers, and Reporting

A follow-up: how the architecture works In my previous article, I explained why I built NGB Platform and what problem it is trying to solve: I Built a…

dotnetpostgresopensourcearchitecture
Dev.to May 5, 2026, 13:38 UTC

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