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#postgres

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

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Demystifying Vector Distance in PostgreSQL

Demystifying Vector Distance in PostgreSQL

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2 min read
Run AI-Written Migrations on a Throwaway Database Before They Touch Yours

Run AI-Written Migrations on a Throwaway Database Before They Touch Yours

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4 min read
Rebuilding the Deprecated PostgreSQL MCP Server in Rust: Safe by Default

Rebuilding the Deprecated PostgreSQL MCP Server in Rust: Safe by Default

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9 min read
Postgres Says "Too Many Clients Already": Diagnose It Before You Add a Pooler

Postgres Says "Too Many Clients Already": Diagnose It Before You Add a Pooler

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7 min read
One docker compose up, One Seeded Postgres

One docker compose up, One Seeded Postgres

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6 min read
Prisma Postgres Seed: prisma db seed, psql, and the Direct URL

Prisma Postgres Seed: prisma db seed, psql, and the Direct URL

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19 min read
Five bugs AI wrote for me that never threw an error

Five bugs AI wrote for me that never threw an error

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6 min read
Nine of Thirteen Corrections Were Wrong: The Fix That Came With a Proof It Couldn't Work

Nine of Thirteen Corrections Were Wrong: The Fix That Came With a Proof It Couldn't Work

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10 min read
Replace the Heuristic With a Boundary: Rebuilding a Leave Table as an Append-Only Ledger

Replace the Heuristic With a Boundary: Rebuilding a Leave Table as an Append-Only Ledger

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9 min read
What is Information Schema in PostgreSQL?

What is Information Schema in PostgreSQL?

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2 min read
Visual Search on pgvector + Gemini: Detect, Crop, Embed, Rank (and the Averaging Bug That Broke Exact Match)

Visual Search on pgvector + Gemini: Detect, Crop, Embed, Rank (and the Averaging Bug That Broke Exact Match)

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8 min read
Postgres LISTEN/NOTIFY in Production: Safe Reconnects & SSE

Postgres LISTEN/NOTIFY in Production: Safe Reconnects & SSE

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7 min read
Schema Linting vs Migration Linting: Which Database Problems Each One Can See

Schema Linting vs Migration Linting: Which Database Problems Each One Can See

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11 min read
Backups That You Don't Restore Aren't Backups: A Weekly Restore Drill

Backups That You Don't Restore Aren't Backups: A Weekly Restore Drill

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6 min read
What is a database view?

What is a database view?

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2 min read
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