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Posts on building, using, and learning about databases.

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I Built a TypeScript Object-Graph Database

I Built a TypeScript Object-Graph Database

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5 min read
ClickHouse Duplicates: Clean Your Results vs. Clean Your Storage

ClickHouse Duplicates: Clean Your Results vs. Clean Your Storage

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3 min read
Metadata Filtering Before Vector Search: The Recall Win Nobody Measures

Metadata Filtering Before Vector Search: The Recall Win Nobody Measures

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7 min read
TensorFlow vs PyTorch: The Real Difference Isn't Accuracy

TensorFlow vs PyTorch: The Real Difference Isn't Accuracy

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7 min read
Apache Data Lakehouse Weekly: June 4 to June 11, 2026

Apache Data Lakehouse Weekly: June 4 to June 11, 2026

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25 min read
One Free Database Client That Replaced Five Tools in My Daily Workflow

One Free Database Client That Replaced Five Tools in My Daily Workflow

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4 min read
37/60 Days System Design Interview Questions

37/60 Days System Design Interview Questions

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1 min read
Soft Delete vs Archive Table: The Choice That Haunts Your Queries

Soft Delete vs Archive Table: The Choice That Haunts Your Queries

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6 min read
Picking a Data Store in 2026: 5 Questions Before You Reach for Postgres

Picking a Data Store in 2026: 5 Questions Before You Reach for Postgres

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7 min read
UUIDv7 vs BIGINT Primary Keys: The 2026 Verdict

UUIDv7 vs BIGINT Primary Keys: The 2026 Verdict

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7 min read
I built an AI model tier list website: AITier

I built an AI model tier list website: AITier

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2 min read
Stop Trusting Every WHERE Clause: Tenant Isolation in PostgreSQL

Stop Trusting Every WHERE Clause: Tenant Isolation in PostgreSQL

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4 min read
Why PDF-Style RAG Fails on Structured Enterprise Data

Why PDF-Style RAG Fails on Structured Enterprise Data

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1 min read
Fast, Efficient, and Confidently Delivered — But Wrong

Fast, Efficient, and Confidently Delivered — But Wrong

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4 min read
Why I Index Only 32k Companies When Apollo Has 250M: A B2B Database Trade-off

Why I Index Only 32k Companies When Apollo Has 250M: A B2B Database Trade-off

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4 min read
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