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

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REST API with Go, Chi, SQL Server and sqlx

REST API with Go, Chi, SQL Server and sqlx

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8 min read
Approximate Count Distinct in YugabyteDB (and PostgreSQL) with HyperLogLog

Approximate Count Distinct in YugabyteDB (and PostgreSQL) with HyperLogLog

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6 min read
Understanding Query Processing in PostgreSQL: Part 1

Understanding Query Processing in PostgreSQL: Part 1

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3 min read
SQL: triggers & views

SQL: triggers & views

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2 min read
Exploring the Fundamentals of Database Cluster, Databases, Tables, and Internal Layout in PostgreSQL

Exploring the Fundamentals of Database Cluster, Databases, Tables, and Internal Layout in PostgreSQL

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4 min read
More String Functions in SQLite

More String Functions in SQLite

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3 min read
Designing SQL Database for a blog application

Designing SQL Database for a blog application

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2 min read
Demystifying the Internals of PostgreSQL - Chapter 5

Demystifying the Internals of PostgreSQL - Chapter 5

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5 min read
Introducing DataLang - Ask questions to your Database in Natural Language

Introducing DataLang - Ask questions to your Database in Natural Language

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2 min read
Enhancing Database Performance with PostgreSQL Indexing Techniques

Enhancing Database Performance with PostgreSQL Indexing Techniques

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2 min read
Group by Year, Month, or Day in PostgreSQL

Group by Year, Month, or Day in PostgreSQL

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4 min read
Why Are There So Many Snapshot Tables in BI Systems?

Why Are There So Many Snapshot Tables in BI Systems?

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9 min read
Demystifying the Data Product Lifecycle: From Inception to Retirement

Demystifying the Data Product Lifecycle: From Inception to Retirement

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4 min read
Demystifying the Internals of PostgreSQL - Chapter 4

Demystifying the Internals of PostgreSQL - Chapter 4

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2 min read
Demystifying the Internals of PostgreSQL - Chapter 3

Demystifying the Internals of PostgreSQL - Chapter 3

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5 min read
How to Select the First Row of Each Set of Grouped Rows Using GROUP BY

How to Select the First Row of Each Set of Grouped Rows Using GROUP BY

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1 min read
Maximising Database Performance: Tips and Techniques for PostgreSQL Optimisation

Maximising Database Performance: Tips and Techniques for PostgreSQL Optimisation

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2 min read
SQL Query in Spring Boot

SQL Query in Spring Boot

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1 min read
Don't underestimate SQL

Don't underestimate SQL

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2 min read
Demystifying the Internals of PostgreSQL - Chapter 1

Demystifying the Internals of PostgreSQL - Chapter 1

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3 min read
Order by random Optimization

Order by random Optimization

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5 min read
mysql: three things you (probably) didn't know you could do with the mysql command

mysql: three things you (probably) didn't know you could do with the mysql command

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4 min read
Oracle JSON_TABLE: Transforming JSON into Relational Format

Oracle JSON_TABLE: Transforming JSON into Relational Format

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2 min read
Understanding SQL Commands

Understanding SQL Commands

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4 min read
Database Design: "How to Create a Robust and Scalable Data Model"

Database Design: "How to Create a Robust and Scalable Data Model"

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3 min read
Desbravando os Segredos do SQL: Um Guia Completo para Dominar a Linguagem de Bancos de Dados

Desbravando os Segredos do SQL: Um Guia Completo para Dominar a Linguagem de Bancos de Dados

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3 min read
YugabyteDB fast path write

YugabyteDB fast path write

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9 min read
Global Unique Constraint on a partitioned table in PostgreSQL and YugabyteDB

Global Unique Constraint on a partitioned table in PostgreSQL and YugabyteDB

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7 min read
What is Procedural Language in SQL?

What is Procedural Language in SQL?

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3 min read
Some demos of SQL's table views

Some demos of SQL's table views

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1 min read
Why does wide table prevail?

Why does wide table prevail?

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13 min read
Criando consultas SQL no Jupyter Notebook

Criando consultas SQL no Jupyter Notebook

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1 min read
Difference between Dimension and Fact tables in SQL

Difference between Dimension and Fact tables in SQL

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2 min read
Visualize Real-Time Data With Python, Dash, and RisingWave

Visualize Real-Time Data With Python, Dash, and RisingWave

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7 min read
Exploring Database-First Approach with Entity Framework in .NET Core 6

Exploring Database-First Approach with Entity Framework in .NET Core 6

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3 min read
Indexing for LIKE Queries in PostgreSQL

Indexing for LIKE Queries in PostgreSQL

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1 min read
How to Check Your PostgreSQL Version

How to Check Your PostgreSQL Version

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1 min read
Indexing JSON in PostgreSQL

Indexing JSON in PostgreSQL

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1 min read
Microsoft SQL Server Database Migration: Typical Issues I

Microsoft SQL Server Database Migration: Typical Issues I

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2 min read
Using the Postgres.js library

Using the Postgres.js library

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7 min read
Terraforming AWS RDS : Scaling Postgres

Terraforming AWS RDS : Scaling Postgres

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3 min read
One fat index, or two indexes on each columns? PostgreSQL vs. YugabyteDB

One fat index, or two indexes on each columns? PostgreSQL vs. YugabyteDB

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8 min read
Base64 and other encodings in SQLite

Base64 and other encodings in SQLite

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2 min read
CS50: Semana 7 | Lab: Músicas

CS50: Semana 7 | Lab: Músicas

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2 min read
Covering Index in SQL

Covering Index in SQL

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2 min read
SQL Recipe: Segmenting Data

SQL Recipe: Segmenting Data

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2 min read
Data Import and Export: Techniques for Streamlining Data Transfer

Data Import and Export: Techniques for Streamlining Data Transfer

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2 min read
🛢 9 Free Resources to Learn and Practice SQL

🛢 9 Free Resources to Learn and Practice SQL

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8 min read
Advanced Query Optimization Techniques in PostgreSQL

Advanced Query Optimization Techniques in PostgreSQL

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2 min read
5 criteria for data quality and how to test for them

5 criteria for data quality and how to test for them

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6 min read
An Intro to Structured Query Language(SQL)

An Intro to Structured Query Language(SQL)

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3 min read
SQL, NoSql, and 5 DB types you'll never need

SQL, NoSql, and 5 DB types you'll never need

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3 min read
👨🏻‍💻Securing Your Web Applications from SQL Injection with SQLMap

👨🏻‍💻Securing Your Web Applications from SQL Injection with SQLMap

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6 min read
Transform Your Data Like a Pro With dbt (Data Build Tool)

Transform Your Data Like a Pro With dbt (Data Build Tool)

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4 min read
Open-source SPL: The Breaker of Closed Database Computing System

Open-source SPL: The Breaker of Closed Database Computing System

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8 min read
Postgres Concurrency : What could go wrong (part 3)

Postgres Concurrency : What could go wrong (part 3)

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3 min read
Terraforming AWS RDS : A practical guide with Postgres

Terraforming AWS RDS : A practical guide with Postgres

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5 min read
ObjectionJs & Advanced Techniques

ObjectionJs & Advanced Techniques

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2 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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5 min read
How i created a query language for .git files (GQL)

How i created a query language for .git files (GQL)

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3 min read
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