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

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5 SQL queries developers always have to look up (with copy-paste answers)

5 SQL queries developers always have to look up (with copy-paste answers)

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2 min read
SQL Pattern Series #2: The Match Pattern

SQL Pattern Series #2: The Match Pattern

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3 min read
SQL Basics: Talking to a Database for the First Time

SQL Basics: Talking to a Database for the First Time

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7 min read
Transitioning to Data Engineering: My Top 4 Essential Tools So Far

Transitioning to Data Engineering: My Top 4 Essential Tools So Far

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1 min read
Our API Was Successfully Hacked. Here's What We Fixed Before the Regulator Showed Up

Our API Was Successfully Hacked. Here's What We Fixed Before the Regulator Showed Up

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4 min read
PostgreSQL Join Optimization: Nested Loop, Hash, and Merge

PostgreSQL Join Optimization: Nested Loop, Hash, and Merge

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11 min read
How I Exported 1 Million+ Oracle Records to CSV in Under 30 Seconds Using Node.js

How I Exported 1 Million+ Oracle Records to CSV in Under 30 Seconds Using Node.js

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3 min read
Pivotal: A better syntax for data analysis in Python

Pivotal: A better syntax for data analysis in Python

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6 min read
Your Test Data Is Type-Correct and Still Invalid: 6 Postgres Schema Features Generators Skip

Your Test Data Is Type-Correct and Still Invalid: 6 Postgres Schema Features Generators Skip

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9 min read
Filter on Children, Sort by Parent: One-to-Many Compound Index Strategies in PostgreSQL

Filter on Children, Sort by Parent: One-to-Many Compound Index Strategies in PostgreSQL

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16 min read
Databricks Data Engineering Interview Questions

Databricks Data Engineering Interview Questions

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36 min read
The Ghost Post: When Users Can't See Their Own Writes

The Ghost Post: When Users Can't See Their Own Writes

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3 min read
SQL Server Max Server Memory: Como Configurar a Memória Corretamente e Evitar Lentidão

SQL Server Max Server Memory: Como Configurar a Memória Corretamente e Evitar Lentidão

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5 min read
Understanding Subquery and Common Table Expressions(CTEs)

Understanding Subquery and Common Table Expressions(CTEs)

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2 min read
You Want To Learn SQL? Here Is What I know So far...

You Want To Learn SQL? Here Is What I know So far...

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3 min read
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