Medium

Carlos da Costa

In

Learning Data

by

Carlos da Costa

·

Apr 4, 2025

Power BI Data Storytelling: Creating Simple but Insightful Reports

Let’s build a simple yet effective and beautiful life expectancy Power BI report

Power BI Data Storytelling: Creating Simple but Insightful Reports

In

DataDrivenInvestor

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Carlos da Costa

·

Mar 25, 2025

4 Data Mistakes Crushing Your Business and How to Fix Them

Avoid These Costly Data Mistakes and Make Smarter Business Decisions

4 Data Mistakes Crushing Your Business and How to Fix Them

In

Towards AI

by

Carlos da Costa

·

Feb 18, 2025

SQL Best Practices Every Data Scientist and Analyst Should Know

Write efficient, scalable, and easy-to-read queries

SQL Best Practices Every Data Scientist and Analyst Should Know

In

ILLUMINATION

by

Carlos da Costa

·

Jan 29, 2025

How to Become a Data Analyst in 2025

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

How to Become a Data Analyst in 2025

In

Towards AI

by

Carlos da Costa

·

Jan 28, 2025

Introduction to Machine Learning

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

Introduction to Machine Learning

In

ILLUMINATION

by

Carlos da Costa

·

Nov 29, 2024

Comparing SQL and Pandas for Data Analysis

Learn how to perform data analysis tasks using SQL and Pandas

Comparing SQL and Pandas for Data Analysis

In

ILLUMINATION

by

Carlos da Costa

·

Nov 22, 2024

Exploring Data Science Jobs using Pandas in Python

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

Exploring Data Science Jobs using Pandas in Python

In

Towards AI

by

Carlos da Costa

·

Aug 24, 2024

Advanced SQL for Data Analysis — Part 2: Window Functions

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

Advanced SQL for Data Analysis — Part 2: Window Functions

Carlos da Costa

·

May 14, 2024

Thanks, mate!

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

In

Towards AI

by

Carlos da Costa

·

Apr 30, 2024

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…

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

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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