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The seed-script tax: how I generate realistic test data for Postgres, Playwright and mock APIs

The seed-script tax: how I generate realistic test data for Postgres, Playwright and mock APIs

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6 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
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
Running Total in SQL: The Window Frame That Decides the Answer

Running Total in SQL: The Window Frame That Decides the Answer

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14 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
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
Embedded evaluators, at house scale

Embedded evaluators, at house scale

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3 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
Data Substrate Versus Vector Db Rag

Data Substrate Versus Vector Db Rag

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3 min read
Data Modelling, Relationships & Joins in PowerBI

Data Modelling, Relationships & Joins in PowerBI

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9 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
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