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

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# Coding Cat Oran S2 Ep2 — The Big Customer

# Coding Cat Oran S2 Ep2 — The Big Customer

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4 min read
Injection Attacks Are Not Dead: SQL, NoSQL, ORM, and Command Injection — How to Actually Fix Them (2026)

Injection Attacks Are Not Dead: SQL, NoSQL, ORM, and Command Injection — How to Actually Fix Them (2026)

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5 min read
Coding Cat Oran S2 Ep1 — The Excel Republic

Coding Cat Oran S2 Ep1 — The Excel Republic

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2 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
SQLite `generate_series` Precision Bug, PostgreSQL Pagination Tuning, & Large Table Replication

SQLite `generate_series` Precision Bug, PostgreSQL Pagination Tuning, & Large Table Replication

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3 min read
How I Built a Real-Time PostgreSQL WAL Reader in GO

How I Built a Real-Time PostgreSQL WAL Reader in GO

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2 min read
Gnoke-Database: Firebase in your pocket.

Gnoke-Database: Firebase in your pocket.

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2 min read
Master Window Function trong SQL: Bí Kíp Tối Ưu Phân Tích Dữ Liệu

Master Window Function trong SQL: Bí Kíp Tối Ưu Phân Tích Dữ Liệu

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4 min read
You need foreign keys and surrogate keys because you broke your relationships

You need foreign keys and surrogate keys because you broke your relationships

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9 min read
Hiểu Chuẩn ACID & Transaction: Đừng Để Database Của Bạn "Toang" Vì Lỗi Cơ Bản!

Hiểu Chuẩn ACID & Transaction: Đừng Để Database Của Bạn "Toang" Vì Lỗi Cơ Bản!

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6 min read
How to Find the Postgres Indexes Your Planner Never Picks (I Found 20 of 51)

78% index disk waste revealed by custom tools

How to Find the Postgres Indexes Your Planner Never Picks (I Found 20 of 51)

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10 min read
How to Make xt850 Match xt 850

How to Make xt850 Match xt 850

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6 min read
SQLite Internals & Audit Patterns; New Open-Source PostgreSQL UI

SQLite Internals & Audit Patterns; New Open-Source PostgreSQL UI

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4 min read
1.2.2 Semantic analysis: name resolution, type checking, catalog lookup

1.2.2 Semantic analysis: name resolution, type checking, catalog lookup

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10 min read
PostgreSQL Plan Signatures: Quick Reference

PostgreSQL Plan Signatures: Quick Reference

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7 min read
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