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

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📘SQL JOINs Explained Simply - A Beginner's Guide

📘SQL JOINs Explained Simply - A Beginner's Guide

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4 min read
B-Trees, Clustered Indexes, and the OLAP Revolution (Part 2) 📊

B-Trees, Clustered Indexes, and the OLAP Revolution (Part 2) 📊

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3 min read
The Offset Massacre — Why Cursor Pagination is Mandatory (2026)

The Offset Massacre — Why Cursor Pagination is Mandatory (2026)

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4 min read
OsztĂĄlyközök kĂ©pzĂ©se SQL-ben (GROUP BY trĂŒkk)

OsztĂĄlyközök kĂ©pzĂ©se SQL-ben (GROUP BY trĂŒkk)

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2 min read
Hiểu Chuáș©n ACID & Transaction: Đừng Để Database Cá»§a BáșĄn "Toang" VĂŹ Lỗi CÆĄ BáșŁn!

Hiểu Chuáș©n ACID & Transaction: Đừng Để Database Cá»§a BáșĄn "Toang" VĂŹ Lỗi CÆĄ BáșŁn!

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6 min read
# Understanding Data Modeling in PowerBI: Joins, Relationship and Schemas.

# Understanding Data Modeling in PowerBI: Joins, Relationship and Schemas.

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2 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
PostgreSQL Performance Crisis, Cloud-Native DB Deployments, & Collation Deep Dive

PostgreSQL Performance Crisis, Cloud-Native DB Deployments, & Collation Deep Dive

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4 min read
WordPress Database Malware: The Complete Detection & Cleanup Guide (with Real SQL Queries)

WordPress Database Malware: The Complete Detection & Cleanup Guide (with Real SQL Queries)

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16 min read
PostgreSQL Performance in the Spotlight: Linux 7.0 Impact, Benchmarking & Vacuum Tuning

PostgreSQL Performance in the Spotlight: Linux 7.0 Impact, Benchmarking & Vacuum Tuning

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3 min read
How to Make xt850 Match xt 850

How to Make xt850 Match xt 850

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6 min read
Modelagem de Dados no Agro: Unindo fluxo de caixa e Ganho Médio Diårio (GMD) no mesmo Banco de Dados

Modelagem de Dados no Agro: Unindo fluxo de caixa e Ganho Médio Diårio (GMD) no mesmo Banco de Dados

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6 min read
I Tried to Analyze SQL Lineage Across 15 Databases — Everything Broke Until I Did This

I Tried to Analyze SQL Lineage Across 15 Databases — Everything Broke Until I Did This

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3 min read
Elasticsearch & Inverted Indices — The Death of SQL ILIKE (2026)

Elasticsearch & Inverted Indices — The Death of SQL ILIKE (2026)

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2 min read
"Table 'test.p' doesn't exist" — Understanding SQL Aliases and Default JOIN Behavior

"Table 'test.p' doesn't exist" — Understanding SQL Aliases and Default JOIN Behavior

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2 min read
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