Data with Charles

Back to Basics - SQL 03 - The WHERE statement

Charles De Barros, Aug 26, 2025, Back to basics Sql

Photo by Bruno Wolff on Unsplash Mastering the SQL WHERE Statement: From Beginner to Advanced Structured Query Language (SQL) is the foundation of working with relational databases. Among its many...

Back to Basics - SQL 03 - O commando de restrição WHERE

Charles De Barros, Aug 26, 2025, Back to basics Sql

Foto cortesia de Bruno Wolff no Unsplash Dominando o comando de restrição WHERE: Do Básico ao Avançado A Linguagem de Consulta Estruturada (SQL) é a base do trabalho com bancos...

Back to Basics - SQL 02 - The SELECT statement

Charles De Barros, Aug 05, 2025, Back to basics Sql

Photo by Mitchel Lensink on Unsplash Understanding the SQL’s SELECT Statement: A Comprehensive Guide SQL (Structured Query Language) is the cornerstone of managing and querying data in relational databases. Among...

Back to Basics - SQL 02 - O Comando SELECT

Charles De Barros, Aug 05, 2025, Back to basics Sql Portuguese

Foto cortesia de Mitchel Lensink on Unsplash Entendendo o comando SELECT do SQL: Um Guia Abrangente SQL (Structured Query Language) é a base para gerenciar e consultar dados em bancos...

Back to Basics - SQL 01 - SQL Intro

Charles De Barros, Jul 21, 2025, Back to basics Sql

Mastering the Basics of SQL: A Beginner’s Guide to Structured Query Language In today’s data-driven world, understanding how to manage and retrieve data effectively is a highly valuable skill. Whether...

Airbnb - London

Charles De Barros, Jun 15, 2024, Projects Portfolio

Note: All the project’s Jupyter Notebook files, including images and my notes, can be seen here. Sources InsideAirBnb London data About the source Inside Airbnb is an independent, non-commercial set...

Hi, I'm Charles. I am a Data Analyst interested in the Environment, Hospitality, Tech, Education, and Science. I enjoying working with Python, Excel, Power BI and and SQL. I bake in my spare time.

Back to Basics - SQL 03 - The WHERE statement

Back to Basics - SQL 03 - O commando de restrição WHERE

Back to Basics - SQL 02 - The SELECT statement

Back to Basics - SQL 02 - O Comando SELECT

Back to Basics - SQL 01 - SQL Intro

Airbnb - London

Hi, I'm Charles.

I am a Data Analyst interested in the Environment, Hospitality, Tech, Education, and Science.

I enjoying working with Python, Excel, Power BI and and SQL.

I bake in my spare time.