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

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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
B+tree height after full delete: PostgreSQL fast root

B+tree height after full delete: PostgreSQL fast root

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11 min read
O que é SQL ?

O que é 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
How to Embed a SQL Dashboard into Your SaaS App (Without Building Everything from Scratch)

How to Embed a SQL Dashboard into Your SaaS App (Without Building Everything from Scratch)

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6 min read
From Joins to Graph Edges: SQL/PGQ in PG ̶1̶9̶ 20 (was 19 beta but reverted)

From Joins to Graph Edges: SQL/PGQ in PG ̶1̶9̶ 20 (was 19 beta but reverted)

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6 min read
SQL-First Paradigm: Rethinking Persistence Layer Design from First Principles

SQL-First Paradigm: Rethinking Persistence Layer Design from First Principles

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9 min read
Where Should the Foreign Key Go?

Where Should the Foreign Key Go?

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6 min read
I built a free tool that turns SQL schemas into ER diagrams (no signup needed).

I built a free tool that turns SQL schemas into ER diagrams (no signup needed).

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1 min read
Designing SaaS Database Architecture: Users, Organizations, Subscriptions, and Billing

Designing SaaS Database Architecture: Users, Organizations, Subscriptions, and Billing

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5 min read
Why Knowing SQL Isn't Enough to Understand Databases

Why Knowing SQL Isn't Enough to Understand Databases

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3 min read
Catch the dangerous Postgres migration at the CI step

Catch the dangerous Postgres migration at the CI step

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3 min read
SQL: Data Integrity Constraints

SQL: Data Integrity Constraints

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4 min read
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