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

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SQL for Python Developers — Everything You Actually Need to Know

SQL for Python Developers — Everything You Actually Need to Know

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7 min read
Building a Vectorized SQL Engine from Scratch in C++ — No Dependencies

Building a Vectorized SQL Engine from Scratch in C++ — No Dependencies

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5 min read
PostgreSQL Ecosystem Expands with ULAK Extension & Open-Source Xata; SQLite Vector Search Advances

PostgreSQL Ecosystem Expands with ULAK Extension & Open-Source Xata; SQLite Vector Search Advances

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3 min read
Can ClickHouse DELETE Data? A 2026 PR-by-PR Analysis

Can ClickHouse DELETE Data? A 2026 PR-by-PR Analysis

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31 min read
Prisma relationships, finally explained (with MySQL side by side)

Prisma relationships, finally explained (with MySQL side by side)

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12 min read
Stop Pasting \timing — Run Your SQL 100 Times and Get p99

Stop Pasting \timing — Run Your SQL 100 Times and Get p99

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6 min read
Meet QueryDen: The Modern Database Client Built for Developers

Meet QueryDen: The Modern Database Client Built for Developers

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2 min read
Writing a Safe SQL INSERT Generator Taught Me Why ORMs Exist

Writing a Safe SQL INSERT Generator Taught Me Why ORMs Exist

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7 min read
SFMC Data Extension Performance: Query Optimization Under Load

SFMC Data Extension Performance: Query Optimization Under Load

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4 min read
How Senior Data Analysts Keep Trading Platforms Like LomixOne Running Smoothly in Volatile Markets

How Senior Data Analysts Keep Trading Platforms Like LomixOne Running Smoothly in Volatile Markets

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3 min read
The Restart Challenge: Day 03

The Restart Challenge: Day 03

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1 min read
Understanding DDL and DML SQL concepts

Understanding DDL and DML SQL concepts

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3 min read
Best roadmap to learn SQL programming

Best roadmap to learn SQL programming

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4 min read
Writing a SQL Formatter With a Handwritten Tokenizer

Writing a SQL Formatter With a Handwritten Tokenizer

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3 min read
DuckDB 1.5.2, SQLite JSON Join Speedup, & Postgres NOTIFY Debugger

DuckDB 1.5.2, SQLite JSON Join Speedup, & Postgres NOTIFY Debugger

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3 min read
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