Carlos da Costa – Medium

Carlos da Costa

Published in
DataDrivenInvestor

4 Data Mistakes Crushing Your Business and How to Fix Them

Avoid These Costly Data Mistakes and Make Smarter Business Decisions

Mar 25

4 Data Mistakes Crushing Your Business and How to Fix Them

Mar 25

Published in
Towards AI

SQL Best Practices Every Data Scientist and Analyst Should Know

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

Feb 18

SQL Best Practices Every Data Scientist and Analyst Should Know

Feb 18

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

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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