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

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Why `SUM() OVER (ORDER BY ...)` Sometimes Feels Wrong: A Practical Guide to SQL Window Frames

Why `SUM() OVER (ORDER BY ...)` Sometimes Feels Wrong: A Practical Guide to SQL Window Frames

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9 min read
What is Snowflake? A Beginner's Guide to the Cloud Data Warehouse Everyone's Talking About

What is Snowflake? A Beginner's Guide to the Cloud Data Warehouse Everyone's Talking About

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4 min read
PostgreSQL vs MySQL vs SQL Server: Enterprise Database Decision Guide

PostgreSQL vs MySQL vs SQL Server: Enterprise Database Decision Guide

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11 min read
SQL Joins and Window Functions: The Tools That Changed How I Query Data

SQL Joins and Window Functions: The Tools That Changed How I Query Data

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7 min read
Databases: The Backbone of Modern Applications

Databases: The Backbone of Modern Applications

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5 min read
SQL Injection – querying the database type and version | PortSwigger Lab Note #6

SQL Injection – querying the database type and version | PortSwigger Lab Note #6

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1 min read
DuckDB 1.5.0 Released: New Features and Tools Enhance Performance and Functionality

DuckDB 1.5.0 Released: New Features and Tools Enhance Performance and Functionality

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9 min read
Building an AI tool that generates SQL queries from natural language

Building an AI tool that generates SQL queries from natural language

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2 min read
PostgreSQL Query Performance: The Complete EXPLAIN ANALYZE Guide for Developers Who've Had Enough

PostgreSQL Query Performance: The Complete EXPLAIN ANALYZE Guide for Developers Who've Had Enough

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14 min read
SQL Joins and Window Functions

SQL Joins and Window Functions

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6 min read
Getting Started with SQL subqueries. A complete beginner guide with examples.

Getting Started with SQL subqueries. A complete beginner guide with examples.

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9 min read
Monitoring TimescaleDB in Production: A Complete Checklist

Monitoring TimescaleDB in Production: A Complete Checklist

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4 min read
How to Detect and Resolve Blocking Sessions in SQL Server

How to Detect and Resolve Blocking Sessions in SQL Server

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3 min read
SQL Injection – UNION attack, retrieving multiple values in a single column | PortSwigger Lab Note #5

SQL Injection – UNION attack, retrieving multiple values in a single column | PortSwigger Lab Note #5

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1 min read
SQL Window Functions Don't Have to Be Scary 🪟

SQL Window Functions Don't Have to Be Scary 🪟

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3 min read
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