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

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🧠 Understanding SQL Query Execution Order: Not As Straightforward As You Think

🧠 Understanding SQL Query Execution Order: Not As Straightforward As You Think

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2 min read
PostgreSQL Branching: Xata vs. Neon vs. Supabase - Part 1

PostgreSQL Branching: Xata vs. Neon vs. Supabase - Part 1

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12 min read
Database optimization best practices

Database optimization best practices

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3 min read
Learning SQL with Handwritten Notes ✍️

Learning SQL with Handwritten Notes ✍️

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2 min read
What’s the Difference Between IS NULL and = NULL in a MySQL WHERE Clause?

What’s the Difference Between IS NULL and = NULL in a MySQL WHERE Clause?

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1 min read
จัดการข้อมูล Mac Address ให้อยู่หมัดด้วย PostgreSQL

จัดการข้อมูล Mac Address ให้อยู่หมัดด้วย PostgreSQL

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1 min read
StrataScratch's Advanced 25 Hard SQL Questions

StrataScratch's Advanced 25 Hard SQL Questions

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2 min read
Declarative Programming: SQL, HTML, CSS, Prolog Guide

Declarative Programming: SQL, HTML, CSS, Prolog Guide

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7 min read
A Beginner DBA's Guide to SSRS Reports

A Beginner DBA's Guide to SSRS Reports

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3 min read
Learning SQL for 30-days. Day 3.

Learning SQL for 30-days. Day 3.

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2 min read
Building a Smart Database Management Tool with AI Insights

Building a Smart Database Management Tool with AI Insights

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4 min read
Automating SQL Reports Without Power BI or SSRS: A Lightweight Alternative

Automating SQL Reports Without Power BI or SSRS: A Lightweight Alternative

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4 min read
Database Mastery: Hands-On Labs for Country GNP, Student Course Analysis & Stored Procedures

Database Mastery: Hands-On Labs for Country GNP, Student Course Analysis & Stored Procedures

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2 min read
Understanding SUBSTRING_INDEX in SQL: Real Use Cases

Understanding SUBSTRING_INDEX in SQL: Real Use Cases

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2 min read
Generate Event Sequence Numbers within a Specified Time Interval — From SQL to SPL #42

Generate Event Sequence Numbers within a Specified Time Interval — From SQL to SPL #42

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2 min read
Enterprise SQL Server Index Maintenance: Multi-Database Automation with Email Reporting

Enterprise SQL Server Index Maintenance: Multi-Database Automation with Email Reporting

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3 min read
PostgreSQL Practical Labs: Error Handling, Maintenance, and Performance Tuning

PostgreSQL Practical Labs: Error Handling, Maintenance, and Performance Tuning

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2 min read
EXSQL: An open-source SQL language extension for customizable querying

EXSQL: An open-source SQL language extension for customizable querying

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1 min read
Handling Concurrency with Row Level Locking in PostgreSQL

Handling Concurrency with Row Level Locking in PostgreSQL

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6 min read
How to Design a Relational Database Schema in 2025

How to Design a Relational Database Schema in 2025

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8 min read
A Developer’s Guide to SQL NOT IN: Smarter Queries, Faster Results

A Developer’s Guide to SQL NOT IN: Smarter Queries, Faster Results

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2 min read
How to Document a PostgreSQL Schema in 2025

How to Document a PostgreSQL Schema in 2025

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4 min read
Learning SQL for 30 days, Day 2.

Learning SQL for 30 days, Day 2.

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1 min read
How to Build Real-Time Data Pipelines with SQL Server CDC and Apache SeaTunnel

How to Build Real-Time Data Pipelines with SQL Server CDC and Apache SeaTunnel

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2 min read
N+1 Query Problem

N+1 Query Problem

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1 min read
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