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

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Database 101: Data Consistency for Beginners

Database 101: Data Consistency for Beginners

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Comments 44
7 min read
Count(*) vs Count(1) in SQL

Count(*) vs Count(1) in SQL

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Comments 18
3 min read
1 SQL Query You Should Stop Using

1 SQL Query You Should Stop Using

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Comments 43
3 min read
Advanced SQL: Mastering Query Optimization and Complex Joins

Advanced SQL: Mastering Query Optimization and Complex Joins

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7 min read
How to set up a free PostgreSQL database on Heroku

How to set up a free PostgreSQL database on Heroku

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3 min read
Database Naming Standards

Database Naming Standards

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Comments 20
6 min read
SQL tips for beginners; what I learned after 10+ years of occasionally writing queries and schemas as a web dev

SQL tips for beginners; what I learned after 10+ years of occasionally writing queries and schemas as a web dev

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2 min read
When to choose NoSQL over SQL?

When to choose NoSQL over SQL?

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2 min read
Database GUIs in JavaScript

Database GUIs in JavaScript

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5 min read
Should I use SQLite, PostgreSQL, or MySQL?

Should I use SQLite, PostgreSQL, or MySQL?

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Comments 26
5 min read
Your Old Laptop Is Your New Database Server

Your Old Laptop Is Your New Database Server

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8 min read
8 New SQL Tools That Will Change How You Work in 2020

8 New SQL Tools That Will Change How You Work in 2020

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6 min read
Mastering SQL: Comprehensive Guide To Structured Query Language

Mastering SQL: Comprehensive Guide To Structured Query Language

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5 min read
PostgreSQL 16 Installation on Ubuntu 22.04

PostgreSQL 16 Installation on Ubuntu 22.04

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2 min read
Database Design Tutorial

Database Design Tutorial

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9 min read
Flutter database inspector storage_view

Flutter database inspector storage_view

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Comments 8
2 min read
Guide To Choose A Database For Your Next Design

Guide To Choose A Database For Your Next Design

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5 min read
Improving Performance of PostgreSQL queries

Improving Performance of PostgreSQL queries

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4 min read
SQL injection for developers

SQL injection for developers

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Comments 5
12 min read
Learn Web Development for Free

Learn Web Development for Free

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Comments 6
8 min read
🚀 The Missing SQL Basics Crash Course

🚀 The Missing SQL Basics Crash Course

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Comments 11
12 min read
What exactly does Indexing in a Database do?

What exactly does Indexing in a Database do?

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2 min read
TypeORM - Query Builder with Subquery

TypeORM - Query Builder with Subquery

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6 min read
Translating Database Queries

Translating Database Queries

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3 min read
5-Week Data Career Boot Camp: Orientation and Foundations.

5-Week Data Career Boot Camp: Orientation and Foundations.

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3 min read
Preventing SQL Injection with Golang

Preventing SQL Injection with Golang

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8 min read
Data Engineering 101: Automating Your First Data Extract

Data Engineering 101: Automating Your First Data Extract

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7 min read
SQL Basics for Beginners

SQL Basics for Beginners

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3 min read
[PT-BR] Funcionalidades do DBeaver

[PT-BR] Funcionalidades do DBeaver

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2 min read
SQL is (almost) always superior to NoSQL

SQL is (almost) always superior to NoSQL

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4 min read
Beware The Missing Foreign Key Index: A Postgres Performance Gotcha

Beware The Missing Foreign Key Index: A Postgres Performance Gotcha

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12 min read
Learn SQL Injection by hacking a bank app

Learn SQL Injection by hacking a bank app

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7 min read
How SQL Query works? SQL Query Execution Order for Tech Interview

How SQL Query works? SQL Query Execution Order for Tech Interview

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9 min read
PostgreSQL Tutorial for beginners to Advance level.

PostgreSQL Tutorial for beginners to Advance level.

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18 min read
Why you should never use an UUID as the primary key in SQL Databases

Why you should never use an UUID as the primary key in SQL Databases

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Comments 66
2 min read
Awesome SQL Code Review Tools for Developers

Awesome SQL Code Review Tools for Developers

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4 min read
Secret To Optimizing SQL Queries - Understand The SQL Execution Order 🚀

Secret To Optimizing SQL Queries - Understand The SQL Execution Order 🚀

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Comments 2
5 min read
How to Install Oracle SQL Developer on Ubuntu 20.04

How to Install Oracle SQL Developer on Ubuntu 20.04

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4 min read
4 SQL Tips For Data Scientists And Data Analysts

4 SQL Tips For Data Scientists And Data Analysts

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7 min read
Simplify Complex SQL Queries with Common Table Expressions (CTEs)

Simplify Complex SQL Queries with Common Table Expressions (CTEs)

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2 min read
Creating a SQL generator app with ChatGPT, PostgreSQL, and ToolJet

Creating a SQL generator app with ChatGPT, PostgreSQL, and ToolJet

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7 min read
Beginner's guide to using MySQL database in a Node.js app

Beginner's guide to using MySQL database in a Node.js app

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29 min read
The Top 10 GitHub Repositories Making Waves 🌊📊

The Top 10 GitHub Repositories Making Waves 🌊📊

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4 min read
Programming Paradigm

Programming Paradigm

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4 min read
HarperDB vs. MongoDB vs. PostgreSQL

HarperDB vs. MongoDB vs. PostgreSQL

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Comments 7
6 min read
Conway's game of life...in pure SQL [Postgres]! 💪🏼🤯

Conway's game of life...in pure SQL [Postgres]! 💪🏼🤯

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Comments 20
9 min read
Fuzzy Searching with PostgreSQL

Fuzzy Searching with PostgreSQL

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6 min read
How to ace coding interviews. The ultimate guide.

How to ace coding interviews. The ultimate guide.

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14 min read
Big Data from the Ground up

Big Data from the Ground up

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7 min read
Why You Shouldn't Use OFFSET and LIMIT For Your Pagination

Why You Shouldn't Use OFFSET and LIMIT For Your Pagination

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Comments 26
5 min read
SQL: Outer Joins

SQL: Outer Joins

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4 min read
YEStifications: Exploring how users engage with notification prompts in the Chrome UX Report

YEStifications: Exploring how users engage with notification prompts in the Chrome UX Report

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6 min read
How to build a Data Pipeline for the first time

How to build a Data Pipeline for the first time

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5 min read
SQL JOIN explained

SQL JOIN explained

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13 min read
Using migrations with Golang

Using migrations with Golang

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5 min read
Airbnb’s Airflow Versus Spotify’s Luigi

Airbnb’s Airflow Versus Spotify’s Luigi

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7 min read
🚀 3 Tools To Scale and Grow Your Side Projects

🚀 3 Tools To Scale and Grow Your Side Projects

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Comments 11
3 min read
Cascade of doom: JIT, and how a Postgres update led to 70% failure on a critical national service

Cascade of doom: JIT, and how a Postgres update led to 70% failure on a critical national service

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Comments 29
14 min read
Resolvendo problema de performance no PostgreSQL com CTE

Resolvendo problema de performance no PostgreSQL com CTE

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Comments 6
4 min read
AlaSQL in Action: The JavaScript SQL Database

AlaSQL in Action: The JavaScript SQL Database

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3 min read
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