Carlos da Costa – Medium

Carlos da Costa

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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

Advanced SQL for Data Analysis — Part 2: Window Functions

Aug 24

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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

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

Apr 30

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Learning Data

Exploratory Data Analysis (EDA) using SQL — Sales Analysis

Unlock insights from a retail database with SQL

Jan 30

Exploratory Data Analysis (EDA) using SQL — Sales Analysis

Jan 30

Thanks, mate!

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

May 14

May 14

Published in
Learning Data

Data Cleaning with SQL

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Jan 3

Data Cleaning with SQL

Jan 3

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

How to Get Started with SQL Querying

No Medium subscription? Read here — Free Access

Nov 10, 2023

How to Get Started with SQL Querying

Nov 10, 2023

Create a Roman Numerals Converter in Javascript

Hey guys, today we will be building a roman numerals converter app in Javascript, you can check out the app in action here.

Apr 16, 2019

Create a Roman Numerals Converter in Javascript

Apr 16, 2019

Develop a To-Do List APP in Vanilla Javascript

Today we will be building a very simple To-Do List app using pure javascript, you can check it out live here. A good practice exercise for…

Mar 19, 2019

Develop a To-Do List APP in Vanilla Javascript

Mar 19, 2019

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How to manipulate the DOM in Vanilla JavaScript

So you have learned now variables, selection structures, and loops. Now it is time to learn DOM manipulation and start doing some cool JS…

Mar 12, 2019

How to manipulate the DOM in Vanilla JavaScript

Mar 12, 2019

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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