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Posts on building, using, and learning about databases.

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Temp Table vs View in SQL: A Saved Answer or a Saved Question

Temp Table vs View in SQL: A Saved Answer or a Saved Question

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13 min read
How to Reconcile Two Tables in SQL When the Row Counts Match

How to Reconcile Two Tables in SQL When the Row Counts Match

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14 min read
Subquery vs CTE in SQL: Same Logic, One You Can Check

Subquery vs CTE in SQL: Same Logic, One You Can Check

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14 min read
A Schema Migration Is Surgery, Not a Deploy

A Schema Migration Is Surgery, Not a Deploy

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2 min read
MongoDB `Authentication failed`: You're Authenticating Against the Wrong Database

MongoDB `Authentication failed`: You're Authenticating Against the Wrong Database

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6 min read
Outbox Pattern Internals: Ordering Guarantees, Relay Mechanics, and the Failure Modes Nobody Documents

Outbox Pattern Internals: Ordering Guarantees, Relay Mechanics, and the Failure Modes Nobody Documents

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6 min read
Inside PostgreSQL MATCH Queries: Syntax, Paths, and Parameters with pg_igraph

Inside PostgreSQL MATCH Queries: Syntax, Paths, and Parameters with pg_igraph

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3 min read
I'm Building an Open-Source MMORPG with Rust & Python — Join the Project

I'm Building an Open-Source MMORPG with Rust & Python — Join the Project

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3 min read
LatticeDB vs SQLite: I Ran the Graph Traversal Benchmarks. The Gap Is Real but the Fine Print Matters

LatticeDB vs SQLite: I Ran the Graph Traversal Benchmarks. The Gap Is Real but the Fine Print Matters

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8 min read
Turn any SQL schema into an interactive ER diagram

Turn any SQL schema into an interactive ER diagram

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2 min read
I broke my own database with an infinite loop, and here's what I learned about Row Level Security

I broke my own database with an infinite loop, and here's what I learned about Row Level Security

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4 min read
How Express Actually Talks to a Database: From HTTP Request to SQL Query

How Express Actually Talks to a Database: From HTTP Request to SQL Query

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12 min read
Can I veto the agent's DDL before it hits main?

Can I veto the agent's DDL before it hits main?

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7 min read
Backups You Have Never Restored Are Just Hope

Backups You Have Never Restored Are Just Hope

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2 min read
When to Index a Table: A Practical Guide for Analysts

When to Index a Table: A Practical Guide for Analysts

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15 min read
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