Carlos da Costa – Medium

Carlos da Costa

Published in
ILLUMINATION

How to Become a Data Analyst in 2025

Your Complete 2025 Guide to Becoming a Data Analyst: Key Skills, Tools, and Free Resources

Jan 29

How to Become a Data Analyst in 2025

Jan 29

Published in
Towards AI

Introduction to Machine Learning

Lay the foundation for your machine learning journey with this comprehensive introduction

Jan 28

Introduction to Machine Learning

Jan 28

Published in
ILLUMINATION

Comparing SQL and Pandas for Data Analysis

Learn how to perform data analysis tasks using SQL and Pandas

Nov 29, 2024

Comparing SQL and Pandas for Data Analysis

Nov 29, 2024

Published in
ILLUMINATION

Exploring Data Science Jobs using Pandas in Python

Get started with Pandas by performing exploratory data analysis on the UK data science jobs dataset

Nov 22, 2024

Exploring Data Science Jobs using Pandas in Python

Nov 22, 2024

Published in
Towards AI

Advanced SQL for Data Analysis — Part 2: Window Functions

Unlock Deeper Insights: Master Advanced SQL with Window Functions for Powerful Data Analysis

Aug 24, 2024

Advanced SQL for Data Analysis — Part 2: Window Functions

Aug 24, 2024

Thanks, mate!

Sure, recursive CTEs are commonly used when dealing with hierarchical data. A classic example is organizational data.

May 14, 2024

May 14, 2024

Published in
Towards AI

Advanced SQL for Data Analysis —Part 1: Subqueries and CTE

Ready to elevate your data analysis skills from beginner to intermediate? Dive into advanced SQL concepts and unlock new data insights…

Apr 30, 2024

Advanced SQL for Data Analysis —Part 1: Subqueries and CTE

Apr 30, 2024

Published in
Learning Data

Exploratory Data Analysis (EDA) using SQL — Sales Analysis

Unlock insights from a retail database with SQL

Jan 30, 2024

Exploratory Data Analysis (EDA) using SQL — Sales Analysis

Jan 30, 2024

Published in
Learning Data

Data Cleaning with SQL

No Medium subscription? Read here — Free Access

Jan 3, 2024

Data Cleaning with SQL

Jan 3, 2024

SQL Joins 101 — A Guide to Data Fusion

Real-world databases are like puzzles composed of multiple tables with different relationships therefore a query might be composed of more…

Nov 27, 2023

SQL Joins 101 — A Guide to Data Fusion

Nov 27, 2023

Carlos da Costa

Carlos da Costa

A data science enthusiast making data-related concepts accessible to everyone. Let's connect @ https://www.linkedin.com/in/carlosdavidcosta

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