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

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# Understanding Joins and Window Functions in SQL

# Understanding Joins and Window Functions in SQL

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7 min read
From Pixels to Calories: Building an Unstructured Food Estimation Pipeline with GPT-4o & DINOv2 🍕🔬

From Pixels to Calories: Building an Unstructured Food Estimation Pipeline with GPT-4o & DINOv2 🍕🔬

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4 min read
Introducing Duck-UI 0.0.32: A Streamlined Web Interface for DuckDB

Introducing Duck-UI 0.0.32: A Streamlined Web Interface for DuckDB

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3 min read
Mastering Joins and Window Functions in SQL

Mastering Joins and Window Functions in SQL

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4 min read
PostgreSQL Joins and Window Function

PostgreSQL Joins and Window Function

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2 min read
PostGIS Spatial Indexing: Why Your Queries Are Doing Sequential Scans

PostGIS Spatial Indexing: Why Your Queries Are Doing Sequential Scans

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3 min read
From ERD to SQL: Implementing a Normalised Database Step-by-Step

From ERD to SQL: Implementing a Normalised Database Step-by-Step

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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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14 min read
SQL Joins & Window Functions

SQL Joins & Window Functions

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3 min read
SQL Query Optimization: 15 Techniques to Speed Up Your Database 2026

SQL Query Optimization: 15 Techniques to Speed Up Your Database 2026

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4 min read
SQL Optimizations for Serverless: Confei's Journey

SQL Optimizations for Serverless: Confei's Journey

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1 min read
Joins and Window Functions

Joins and Window Functions

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3 min read
I Replaced a 2,000-Line Service with a SQL Query. It's Been Running for 3 Years.

I Replaced a 2,000-Line Service with a SQL Query. It's Been Running for 3 Years.

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4 min read
SQL Debezium Kafka Snowflake

SQL Debezium Kafka Snowflake

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4 min read
Database documentation fails when it relies on human discipline

Database documentation fails when it relies on human discipline

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1 min read
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