📰 Dev.to · MJ-O

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Foundational Concepts in Data Engineering Using an E-Commerce Platform Example

Dev.to · MJ-O 1w ago

Foundational Concepts in Data Engineering Using an E-Commerce Platform Example

INTRODUCTION Data engineering is the process of collecting, moving, transforming, storing, and...

Virtual Machines, Virtual Environments and Containers: Understanding the Differences

Dev.to · MJ-O 3w ago

Virtual Machines, Virtual Environments and Containers: Understanding the Differences

INTRODUCTION When working in software development or data engineering, you will often hear...

Implementing Airflow DAGs: A Beginner-Friendly Guide

Dev.to · MJ-O 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago

Implementing Airflow DAGs: A Beginner-Friendly Guide

INTRODUCTION In data engineering, many tasks need to run automatically, such as extracting...

ETL vs ELT: Which One Should You Use and Why?

Dev.to · MJ-O 1mo ago

ETL vs ELT: Which One Should You Use and Why?

1. INTRODUCTION When working with data, one of the main tasks is moving data from...

Joins and Windows Functions in SQL

Dev.to · MJ-O 3mo ago

Joins and Windows Functions in SQL

INTRODUCTION Data in relational databases is usually stored in different tables. Joins...

Connecting PostgreSQL on a Linux (WSL) Server to DBeaver

Dev.to · MJ-O 3mo ago

Connecting PostgreSQL on a Linux (WSL) Server to DBeaver

INTRODUCTION PostgreSQL is a relational database management system used to store and...

How Analysts Use Power BI to Transform Data into Action

Dev.to · MJ-O 4mo ago

How Analysts Use Power BI to Transform Data into Action

Introduction When working with Power BI, analysts rarely get clean data that is ready to...

How to Install Python on Linux

Dev.to · MJ-O 4mo ago

How to Install Python on Linux

Introduction Python is an essential programming language for data engineers and most developers since...

Schemas And Data Modelling in Power BI

Dev.to · MJ-O 4mo ago

Schemas And Data Modelling in Power BI

INTRODUCTION Schemas and data modelling are important concepts when working with Power BI. A schema...

Introduction to Linux for Data Engineers, Including Practical Use of Vi and Nano with Examples

Dev.to · MJ-O 4mo ago

Introduction to Linux for Data Engineers, Including Practical Use of Vi and Nano with Examples

Introduction Linux is one of the most important tools used by data engineers today. Most servers,...

Introduction to Version Control with Git and GitHub

Dev.to · MJ-O 4mo ago

Introduction to Version Control with Git and GitHub

1. WHAT IS VERSION CONTROL? Version control is a way of keeping track of changes made to files over...