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

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Podcast Transcript Vector Indexing Explained — Speaker-Turn Metadata in Postgres

Podcast Transcript Vector Indexing Explained — Speaker-Turn Metadata in Postgres

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7 min read
Working with sequence files in BioseqDB and SeqKit

Working with sequence files in BioseqDB and SeqKit

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22 min read
Migrations turn code itself into state

Migrations turn code itself into state

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5 min read
Prisma P1001: Can't reach database server at localhost:5432

Prisma P1001: Can't reach database server at localhost:5432

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6 min read
CircleCI's Postgres Disk Space Exhaustion Came From Deletions It Already Knew Were Coming

CircleCI's Postgres Disk Space Exhaustion Came From Deletions It Already Knew Were Coming

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5 min read
Window Functions, Joins, CTEs and Subqueries

Window Functions, Joins, CTEs and Subqueries

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3 min read
Our data export contains the log of our data exports, so each copy is one row longer than the last

Our data export contains the log of our data exports, so each copy is one row longer than the last

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5 min read
A REST API State Machine for Email Verification

A REST API State Machine for Email Verification

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5 min read
Our second process carries its own copy of the schema: nine of twelve tables, five of them ever queried, and not one write

Our second process carries its own copy of the schema: nine of twelve tables, five of them ever queried, and not one write

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5 min read
How to Build an IT Asset Assignment and Return System (SQL + REST API)

How to Build an IT Asset Assignment and Return System (SQL + REST API)

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11 min read
Our ULID is twenty lines, and the id it generates is deliberately not a secret

Our ULID is twenty lines, and the id it generates is deliberately not a secret

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7 min read
Drizzle turns a JS array into ($1, $2), so our batch updates were sending Postgres a record cast

Drizzle turns a JS array into ($1, $2), so our batch updates were sending Postgres a record cast

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5 min read
What Breaks When a Database Diagram Reaches 1,000 Tables, and What We Redesigned

What Breaks When a Database Diagram Reaches 1,000 Tables, and What We Redesigned

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13 min read
PostgreSQL: Changing an Integer Column to Boolean - In Place or a New Column, and the Four Errors on the Way

PostgreSQL: Changing an Integer Column to Boolean - In Place or a New Column, and the Four Errors on the Way

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10 min read
Foreign Keys Between Modules in a Modular Monolith: Keep, Restrict, or Drop?

Foreign Keys Between Modules in a Modular Monolith: Keep, Restrict, or Drop?

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10 min read
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