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PostgreSQL 19's data checksums can now be switched on without stopping the server

PostgreSQL 19's data checksums can now be switched on without stopping the server

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7 min read
example.com and example.com/ were two rows, and 86.9% of my database was one bug

example.com and example.com/ were two rows, and 86.9% of my database was one bug

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4 min read
Never Use a Display Name for Authorization: Secure Anonymous Editing

Never Use a Display Name for Authorization: Secure Anonymous Editing

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5 min read
Postgres Indexes Under the Hood: B-Trees, Page Splits, and Why the Query Planner Ignores You

Postgres Indexes Under the Hood: B-Trees, Page Splits, and Why the Query Planner Ignores You

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10 min read
Our product search only returns rows the scanner can actually answer for

Our product search only returns rows the scanner can actually answer for

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5 min read
6 Lessons From 20 Years of SQL Migration Tools (Applied to a NoSQL Migrator in 2026)

6 Lessons From 20 Years of SQL Migration Tools (Applied to a NoSQL Migrator in 2026)

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4 min read
Star, Snowflake, or Galaxy? A Practical Guide to Data Warehouse Modeling

Star, Snowflake, or Galaxy? A Practical Guide to Data Warehouse Modeling

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10 min read
Pages of Our Latency

Pages of Our Latency

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5 min read
Why Schema Diagrams Go Stale (and the Fix)

Why Schema Diagrams Go Stale (and the Fix)

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3 min read
Five results: I spent time proving splines don't help trajectory databases

Five results: I spent time proving splines don't help trajectory databases

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9 min read
Subqueries and CTEs: Asking a Question Inside a Question

Subqueries and CTEs: Asking a Question Inside a Question

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8 min read
DEV-Part-1-Backend.md

DEV-Part-1-Backend.md

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28 min read
MongoDB: Embedding vs Referencing

MongoDB: Embedding vs Referencing

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3 min read
FinOps Meets Architecture: Tiering ClickHouse from EBS to S3 Without Touching a Query

FinOps Meets Architecture: Tiering ClickHouse from EBS to S3 Without Touching a Query

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8 min read
SQL Joins Explained: A Beekeeping Co-op in Six Queries

SQL Joins Explained: A Beekeeping Co-op in Six Queries

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7 min read
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