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

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SQL GROUP BY & HAVING: The Beginner's Guide to Summarizing Data Like a Pro

SQL GROUP BY & HAVING: The Beginner's Guide to Summarizing Data Like a Pro

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6 min read
Connecting Power BI to SQL Databases: A Beginner's Guide

Connecting Power BI to SQL Databases: A Beginner's Guide

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3 min read
Guarding Critical Operations: Mastering SELECT FOR UPDATE for Race Condition Prevention in Django & PostgreSQL

Guarding Critical Operations: Mastering SELECT FOR UPDATE for Race Condition Prevention in Django & PostgreSQL

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8 min read
Finding a Practical Analytics Format for Structured JSON Logs

Finding a Practical Analytics Format for Structured JSON Logs

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8 min read
Building High-Performance Data Stacks: Vector Search, SQLite Ops, & Open-Source Monitoring

Building High-Performance Data Stacks: Vector Search, SQLite Ops, & Open-Source Monitoring

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4 min read
Generate ER Diagram from SELECT Queries (JOIN Analysis Tool)

Generate ER Diagram from SELECT Queries (JOIN Analysis Tool)

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2 min read
Connecting Power BI to PostgreSQL Database

Connecting Power BI to PostgreSQL Database

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3 min read
Advanced SQL for Data Analytics: Advanced Techniques Every Data Analyst Should Know

Advanced SQL for Data Analytics: Advanced Techniques Every Data Analyst Should Know

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4 min read
Common Database Mistakes That Kill Performance (And How to Avoid Them)

Common Database Mistakes That Kill Performance (And How to Avoid Them)

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8 min read
BigQuery Global Queries: Join Data Across Regions Without ETL

BigQuery Global Queries: Join Data Across Regions Without ETL

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6 min read
select queries

select queries

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3 min read
Log 02: The Sample Data Struggle & The "Wildcard" Trap

Log 02: The Sample Data Struggle & The "Wildcard" Trap

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2 min read
SQL Injection Explained: How Hackers Bypass Login Forms (and How to Stop Them)

SQL Injection Explained: How Hackers Bypass Login Forms (and How to Stop Them)

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3 min read
The Five Most Important Columns to Add to Every Database Table

The Five Most Important Columns to Add to Every Database Table

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5 min read
6 Essential SQL Concepts Every Beginner Should Master

6 Essential SQL Concepts Every Beginner Should Master

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2 min read
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