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

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Top 3 PostgreSQL Performance Issues: Diagnosis and Proven Solutions

Top 3 PostgreSQL Performance Issues: Diagnosis and Proven Solutions

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5 min read
🗃️ Introduction to Database Design: Concepts Every Beginner Should Know

🗃️ Introduction to Database Design: Concepts Every Beginner Should Know

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4 min read
Find the Closest Date Match for Each Record from Two Tables — From SQL to SPL #20

Find the Closest Date Match for Each Record from Two Tables — From SQL to SPL #20

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2 min read
SQL Joins Made Easy: INNER, OUTER, LEFT, RIGHT Joins

SQL Joins Made Easy: INNER, OUTER, LEFT, RIGHT Joins

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1 min read
Are SQL Joins Expensive?

Are SQL Joins Expensive?

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2 min read
𝗛𝗼𝘄 𝘁𝗼 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗰𝗮𝗹𝗹𝘆 𝗨𝗽𝗱𝗮𝘁𝗲 𝗦𝗽𝗲𝗻𝘁 𝗔𝗺𝗼𝘂𝗻𝘁 𝗶𝗻 𝗕𝘂𝗱𝗴𝗲𝘁 𝗨𝘀𝗶𝗻𝗴 𝗧𝗿𝗶𝗴𝗴𝗲𝗿𝘀 𝗶𝗻 𝗦𝗤𝗟 𝗦𝗲𝗿𝘃𝗲𝗿

𝗛𝗼𝘄 𝘁𝗼 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗰𝗮𝗹𝗹𝘆 𝗨𝗽𝗱𝗮𝘁𝗲 𝗦𝗽𝗲𝗻𝘁 𝗔𝗺𝗼𝘂𝗻𝘁 𝗶𝗻 𝗕𝘂𝗱𝗴𝗲𝘁 𝗨𝘀𝗶𝗻𝗴 𝗧𝗿𝗶𝗴𝗴𝗲𝗿𝘀 𝗶𝗻 𝗦𝗤𝗟 𝗦𝗲𝗿𝘃𝗲𝗿

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1 min read
I Made a Detective Game That Teaches You SQL

I Made a Detective Game That Teaches You SQL

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2 min read
🗃️ Structured Query Language (SQL): The Backbone of Modern Databases 2025

🗃️ Structured Query Language (SQL): The Backbone of Modern Databases 2025

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2 min read
Mastering SQLite: Efficient Database Management Tips

Mastering SQLite: Efficient Database Management Tips

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3 min read
🛠️ Copying and Moving Data Between Tables in ClickHouse (with Different Engines)

🛠️ Copying and Moving Data Between Tables in ClickHouse (with Different Engines)

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2 min read
Filtering Data in SQL: Using WHERE, AND, OR, and NOT

Filtering Data in SQL: Using WHERE, AND, OR, and NOT

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1 min read
Mastering SQL for Data Engineering: Advanced Queries, Optimization, and Data Modeling Best Practices

Mastering SQL for Data Engineering: Advanced Queries, Optimization, and Data Modeling Best Practices

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10 min read
Get Total Count of Tables per Database in MySQL

Get Total Count of Tables per Database in MySQL

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1 min read
How I Migrated An SQL Database To DynamoDB

How I Migrated An SQL Database To DynamoDB

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5 min read
How to Use esProc to Speed Up JOIN to Avoid Wide Tables

How to Use esProc to Speed Up JOIN to Avoid Wide Tables

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6 min read
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