Blog

Writing from our team. The latest news, insights, and resources.

How to Subtract Columns In Python Dataframes?

Modifying data is an important element of data analysis and frequently entails executing various operations on data frames in Python. Subtracting columns between data frames is a frequent job that enables us to calculate differences between different sets of data and to gain fresh ideas. Subtracting columns between data frames involves executing element-wise subtraction of...

By: Chris Garzon | March 9, 2026 | 14 mins read
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AWS

How to Avoid Common Beginner Mistakes When Learning AWS

Switching careers to data engineering? You’re not alone — this field is booming with opportunity, and AWS sits at the heart of modern data workflows. Getting started can feel intimidating, though, especially with so many AWS services, best practices, and technical details to keep straight. Many newcomers stumble over the same basics, wasting time and...

By: Chris Garzon | February 24, 2026 | 25 mins read
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Ace the Data Modeling Interview: A Simple 3-Step Framework That Works

Data modeling interviews can feel unfair at first. You get a prompt like “increase engagement at DoorDash,” and you’re expected to turn that into a clean set of tables, keys, and relationships under time pressure. The good news is that the best candidates don’t win by memorizing patterns. They win by showing a clear way...

By: Chris Garzon | February 24, 2026 | 10 mins read
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Get Hired Faster with These AI-Ready Skills

Artificial intelligence is no longer a distant innovation — it’s now a driving force behind how organizations store, process, and extract value from data. As AI becomes deeply embedded into modern businesses, hiring managers in 2025 are no longer asking, “Does this person know AI?” They’re asking, “Is this person ready to work with AI?”...

By: Chris Garzon | February 20, 2026 | 6 mins read
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5 things I knew before becoming a software engineer

Starting in software engineering can be both exciting and overwhelming. Many of us step into this world with dreams of creating groundbreaking applications and thriving in a high-paying, fast-paced industry. But the reality of the day-to-day work can often be quite different from what we imagine. I remember my early days — struggling with code,...

By: Chris Garzon | February 20, 2026 | 15 mins read
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How to Create a SQL Query Using AI in Less Time?

AI systems can automate and improve the production of queries using SQL, working with artificial intelligence (AI) methods, including NLP, machine learning, and optimization. Both technical and non-technical users may profit from creating accurate and reliable SQL queries. AI-generated SQL has the potential to improve the effectiveness of queries by expediting the inquiry creation process,...

By: Chris Garzon | February 17, 2026 | 11 mins read
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Will AI Replace Data Engineers? Not If You Do This

Artificial intelligence is evolving fast, from generating text and images to writing code and automating complex workflows. As AI continues to reshape industries, many professionals are asking an urgent question: “Will AI replace data engineers?” At Data Engineer Academy, we hear this question almost daily. It’s understandable. With headlines warning of mass automation and tools...

By: Chris Garzon | February 14, 2026 | 9 mins read
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factors

6 Must-Know Factors for Choosing the Right Data Engineering Course

The demand for skilled data engineers is skyrocketing in 2025, as businesses double down on their reliance on data-driven decisions and emerging tech like AI. With opportunities growing faster than ever, the right data engineering course can be your ticket to a thriving career. But let’s face it – choosing from the countless data engineering...

By: Chris Garzon | February 5, 2026 | 26 mins read
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Best AI tools for Data Engineering

The integration of AI in data engineering has revolutionized the way data is processed, analyzed, and utilized, leading to more efficient and intelligent decision-making processes. Choosing the right AI tools is crucial for data engineers to navigate this complex and dynamic environment. This article aims to provide an overview of the top AI tools currently...

By: Chris Garzon | February 1, 2026 | 8 mins read
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Costco Advance SQL Question

Costco Wholesale, one of the largest retail giants in the world, is not just known for its vast selection of goods and membership benefits, but also for its robust data-driven operations. As the company continues to expand, the role of a data engineer becomes increasingly vital in managing the massive amounts of data that flow...

By: Chris Garzon | February 1, 2026 | 22 mins read
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Genereative AI in Data Engineering: Key Use Cases & Future Trends

Generative AI, a subset of artificial intelligence designed to produce new, previously unseen data patterns, is uniquely suited to the challenges and demands of data engineering. From data synthesis to intelligent automation, its applications go beyond traditional AI boundaries, enabling data engineers to elevate the quality, speed, and accuracy of their work in ways previously...

By: Chris Garzon | January 30, 2026 | 11 mins read
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Apache Spark vs Hadoop – Comprehensive Guide

In this guide, we’re closely examining two major big data players: Apache Spark and Hadoop. Apache Spark is known for its fast processing speed, especially with real-time data and complex algorithms. On the other hand, Hadoop has been a go-to for handling large volumes of data, particularly with its strong batch-processing capabilities. Quick summary:Apache Spark...

By: Chris Garzon | January 29, 2026 | 11 mins read
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5 Common Mistakes Beginners Make in Data Engineering

Entering the field of data engineering can feel like jumping into a complex maze of tools, concepts, and best practices. For beginners, the sheer scope of what’s required can be intimidating. Data engineers are responsible for designing pipelines, managing massive datasets, and ensuring data is reliable and accessible — all while keeping up with the...

By: Chris Garzon | January 26, 2026 | 12 mins read
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Personalized Learning Paths vs. Bootcamps: What Delivers Faster Results?

Personalized Learning Paths vs. Bootcamps: What Delivers Faster Results?

Thinking about switching careers to data engineering? You’re not alone. With thousands going after every open role, standing out isn’t easy — especially when you’re balancing learning with everything else in your life. There’s a big debate right now: do you jump into a bootcamp, or should you look for something more personalized? If the...

By: Chris Garzon | January 21, 2026 | 17 mins read
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