DEV Community

Database

Posts on building, using, and learning about databases.

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
SQLite `ON CONFLICT DO SELECT` Proposal, PostgreSQL 19 Features & SQLite Critical Bug

SQLite `ON CONFLICT DO SELECT` Proposal, PostgreSQL 19 Features & SQLite Critical Bug

Comments
3 min read
The Untold Story of Why Your App Dies at 1,000,000 Rows

The Untold Story of Why Your App Dies at 1,000,000 Rows

21
Comments 6
6 min read
I Built a PostgreSQL Admin Tool in Rust — ~6MB, No Electron, Sub-1s Startup

I Built a PostgreSQL Admin Tool in Rust — ~6MB, No Electron, Sub-1s Startup

1
Comments
3 min read
Before you connect AI to PostgreSQL through MCP, run this checklist

Before you connect AI to PostgreSQL through MCP, run this checklist

1
Comments
2 min read
Database migrations are critical. Forgetting them costs teams hours weekly.

Database migrations are critical. Forgetting them costs teams hours weekly.

1
Comments
1 min read
Rails Performance Optimization: Fixing N+1 Queries with includes, preload, and eager_load

Rails Performance Optimization: Fixing N+1 Queries with includes, preload, and eager_load

7
Comments
3 min read
IFNULL vs NULLIF in GBase 8a: Why They Are Not Interchangeable

IFNULL vs NULLIF in GBase 8a: Why They Are Not Interchangeable

2
Comments
1 min read
Your Database Is Fast. Your Queries Are Slow.

Your Database Is Fast. Your Queries Are Slow.

Comments
4 min read
Troubleshooting Table Locks in GBase 8s: Find and Release Exclusive Locks Fast

Troubleshooting Table Locks in GBase 8s: Find and Release Exclusive Locks Fast

2
Comments
2 min read
Securing PostgreSQL, in the order an attacker would try things

Securing PostgreSQL, in the order an attacker would try things

2
Comments
7 min read
Desvendando a Arquitetura: Frontend, Backend e Banco de Dados na Prática

Desvendando a Arquitetura: Frontend, Backend e Banco de Dados na Prática

Comments
3 min read
JPA: The Good, The Bad, and The Ugly

JPA: The Good, The Bad, and The Ugly

Comments
17 min read
Inner vs Outer Joins: The Two Fundamental Join Types in SQL

Inner vs Outer Joins: The Two Fundamental Join Types in SQL

2
Comments
1 min read
The 10 Best AI Memory Layers for Agents in 2026

The 10 Best AI Memory Layers for Agents in 2026

1
Comments
7 min read
SQL for Developers: The Practical Guide (2026)

SQL for Developers: The Practical Guide (2026)

1
Comments
6 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.