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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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Database Indexing and Query Optimization for Python Developers

Database Indexing and Query Optimization for Python Developers

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7 min read
Database Indexing and Query Optimization for Java Developers

Database Indexing and Query Optimization for Java Developers

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7 min read
You don't need a backend to store form submissions. You need a place to ask "how many."

You don't need a backend to store form submissions. You need a place to ask "how many."

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2 min read
B-tree block split: what's the impact?

B-tree block split: what's the impact?

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12 min read
Deploying CockroachDB on Kubernetes

Deploying CockroachDB on Kubernetes

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2 min read
How to Comment SQL So It Teaches

How to Comment SQL So It Teaches

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12 min read
Implementing Feature Flags Across Stack

Implementing Feature Flags Across Stack

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5 min read
Roles and Permissions Schema Design for Multi-Tenant RBAC (Part 2)

Roles and Permissions Schema Design for Multi-Tenant RBAC (Part 2)

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17 min read
# AI-Generated SQL Has a Silent Failure Problem. Here's a Way to Catch It.

# AI-Generated SQL Has a Silent Failure Problem. Here's a Way to Catch It.

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5 min read
Customer-Facing Analytics: What Your SaaS App Is Missing (And How to Add It)

Customer-Facing Analytics: What Your SaaS App Is Missing (And How to Add It)

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6 min read
Mi INSERT tardaba 25 minutos y no era culpa de los datos: construyendo un Data Warehouse de e-commerce con PostgreSQL

Mi INSERT tardaba 25 minutos y no era culpa de los datos: construyendo un Data Warehouse de e-commerce con PostgreSQL

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4 min read
O que Ă© SQL ?

O que Ă© SQL ?

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4 min read
The Postgres migration that locks your table at 3am, and how to catch it in review

The Postgres migration that locks your table at 3am, and how to catch it in review

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5 min read
The N+1 Query Problem: How One Page Fires 2,101 Queries (and How to Get Back to 3)

The N+1 Query Problem: How One Page Fires 2,101 Queries (and How to Get Back to 3)

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3 min read
From Joins to Graph Edges: SQL/PGQ in PostgreSQL 19

From Joins to Graph Edges: SQL/PGQ in PostgreSQL 19

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6 min read
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