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

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pg-status - a lightweight microservice for checking PostgreSQL host status

pg-status - a lightweight microservice for checking PostgreSQL host status

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7 min read
Why is offset pagination slow

Why is offset pagination slow

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2 min read
XML External Entity (XXE) Injection: A Complete Guide for Developers

XML External Entity (XXE) Injection: A Complete Guide for Developers

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18 min read
QUICK SQL REVISION

QUICK SQL REVISION

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14 min read
MySQL Performance Tuning: From Slow Queries to Lightning-Fast Database

MySQL Performance Tuning: From Slow Queries to Lightning-Fast Database

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5 min read
Track Blocking and Deadlocks in MSSQL with my custom script

Track Blocking and Deadlocks in MSSQL with my custom script

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4 min read
Wait, what? PK is not needed for HABTM?

Wait, what? PK is not needed for HABTM?

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2 min read
Stop Manually Tracing Azure Synapse Dependencies

Stop Manually Tracing Azure Synapse Dependencies

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1 min read
Part 8: Databricks Pipeline & Dashboard

Part 8: Databricks Pipeline & Dashboard

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2 min read
Part 4: Building the Bronze Layer with Auto Loader and Delta Lake

Part 4: Building the Bronze Layer with Auto Loader and Delta Lake

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2 min read
How to Read SQL Server Execution Plans: 7 Things That Matter

How to Read SQL Server Execution Plans: 7 Things That Matter

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10 min read
Generate UUID in PostgreSQL

Generate UUID in PostgreSQL

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1 min read
Linked Server vs OPENQUERY vs OPENROWSET vs OPENDATASOURCE

Linked Server vs OPENQUERY vs OPENROWSET vs OPENDATASOURCE

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4 min read
UNION in SQL Postgre

UNION in SQL Postgre

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1 min read
MySQL 함수 가이드 - 문자열, 날짜, CASE 구문

MySQL 함수 가이드 - 문자열, 날짜, CASE 구문

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1 min read
MySQL 고급 기능 - GROUP BY, Window Function, Stored Procedure

MySQL 고급 기능 - GROUP BY, Window Function, Stored Procedure

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2 min read
Understanding SQL Window Functions (Part 2)

Understanding SQL Window Functions (Part 2)

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8 min read
MySQL & MindsDB Unlocks Intelligent Content Discovery For Web CMS with Knowledge Bases and Cursor

MySQL & MindsDB Unlocks Intelligent Content Discovery For Web CMS with Knowledge Bases and Cursor

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11 min read
Crypto Spot-Futures Arbitrage in Practice: Lessons Learned from Theory to Reality

Crypto Spot-Futures Arbitrage in Practice: Lessons Learned from Theory to Reality

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12 min read
A Practical Guide to Backing Up Your Linux Server: PostgreSQL, Jenkins, and More

A Practical Guide to Backing Up Your Linux Server: PostgreSQL, Jenkins, and More

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4 min read
I Built a Social Network Where You Have to Write SQL to Post. I Regret Nothing

I Built a Social Network Where You Have to Write SQL to Post. I Regret Nothing

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7 min read
MySQL 쿼리 완벽 가이드 - SELECT, INSERT, UPDATE, JOIN

MySQL 쿼리 완벽 가이드 - SELECT, INSERT, UPDATE, JOIN

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1 min read
MySQL 기초 - 명령어, DDL, 테이블 관리

MySQL 기초 - 명령어, DDL, 테이블 관리

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1 min read
How to Build a Text-to-SQL Agent With RAG, LLMs, and SQL Guards

How to Build a Text-to-SQL Agent With RAG, LLMs, and SQL Guards

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7 min read
MariaDB & MindsDB Turns WooCommerce Data to Insights with Real-Time AI Analytics for eCommerce Teams

MariaDB & MindsDB Turns WooCommerce Data to Insights with Real-Time AI Analytics for eCommerce Teams

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11 min read
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