Blog

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

How to host a website on AWS EC2

In today’s digital world, both individuals and businesses require a powerful website. However, finding a trustworthy hosting company is an important step in creating a website. Amazon Web Services (AWS) EC2 provides a strong and scalable infrastructure for hosting websites, making it a great alternative for your hosting requirements. Step-by-step instructions for how to host...

By: ninad magdum | June 17, 2023 | 13 mins read
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15 SQL Skills You Need to Know in 2024

Data engineers and other technical professionals will still need to know SQL in 2024 in order to handle and manipulate data effectively. Advanced SQL skills are becoming more and more necessary as the need for data-driven decision making increases. Whether you’re an experienced professional or an aspiring data engineer, learning SQL can greatly improve your...

By: Chris Garzon | June 5, 2024 | 9 mins read
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Python Data Visualization

Python Data Visualization Interview Questions

Python, known for its extensive range of powerful visualization libraries like Matplotlib, Seaborn, and Plotly, has become the go-to language for creating informative and visually compelling visualizations. Technical interviews often feature data visualization questions to evaluate a candidate’s ability to communicate data-driven insights through meaningful graphs. This article aims to guide you through the Python...

By: Chris Garzon | May 29, 2024 | 8 mins read
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top 10 data pipelines

10+ Top Data Pipeline Tools to Streamline Your Data Journey

This article will introduce you to more than 10 top data pipeline tools that can streamline your data journey by offering scalability, fault tolerance, and seamless integration. From real-time streaming with Apache Kafka to automated data connectors like Fivetran, we’ll explore tools that address a wide range of data needs. By understanding the features and...

By: Chris Garzon | May 27, 2024 | 7 mins read
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Amazon MSK

Get Started with Amazon MSK – Key features

Amazon Managed Streaming for Apache Kafka (MSK) is a fully managed service that simplifies setting up and running Apache Kafka clusters. Kafka is a popular open-source platform for real-time data streaming, event processing, and data integration tasks, but managing and scaling Kafka clusters can be resource-intensive. With Amazon MSK, engineers and developers can focus on...

By: Chris Garzon | May 24, 2024 | 8 mins read
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Dropbox SQL Interview

Top Dropbox SQL Interview Questions

SQL proficiency is the most important skill for data engineering and data science roles at Dropbox. As a company that manages vast amounts of data, Dropbox looks for candidates who can efficiently query and manipulate large data sets to derive meaningful insights and build data-driven solutions. The interview process often includes SQL challenges that require...

By: Chris Garzon | May 22, 2024 | 10 mins read
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Data modeling

Conceptual Data Modeling: Free examples

Conceptual data modeling is the first step in structuring the essential information that supports the foundation of a database or data-driven project. Unlike detailed technical models, a conceptual data model focuses on high-level business entities and the relationships between them, providing a clear view of the data and its organizational significance. This modeling stage is...

By: Chris Garzon | May 17, 2024 | 9 mins read
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What is Amazon Athena? Comprehensive Tutorial

Amazon Athena is a serverless, interactive query service that makes it easy to analyze data directly from Amazon S3 using standard SQL. With Athena, you don’t need to worry about managing infrastructure, provisioning servers, or handling complex ETL processes; instead, you can quickly start querying data stored in various formats, from CSV and JSON to...

By: Chris Garzon | May 15, 2024 | 8 mins read
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Docker Fundamentals for Data Engineers

Docker is a platform designed to simplify the process of developing, shipping, and running applications by using container technology. Containers are lightweight, consistent environments that encapsulate everything an application needs to function, regardless of the underlying system. They enable developers to package their software with all required dependencies, ensuring it runs seamlessly across different computing...

By: Chris Garzon | May 6, 2024 | 10 mins read
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Stripe Data Engineer Interview Guide

The Stripe interview process is known for its thorough approach to identifying the best candidates for its data engineering roles. As one of the leading fintech companies, Stripe processes billions of transactions globally, making data engineering a crucial function to ensure accurate, secure, and efficient data management. The interview process typically involves multiple stages that...

By: Chris Garzon | May 2, 2024 | 10 mins read
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FAANG+ Data Engineer Learning roadmap for 2024

The data engineering future of FAANG+ companies in 2024 will be defined by advanced data systems orchestration, requiring mastery of a sophisticated set of technologies and methodologies. By 2024, FAANG+ companies will require data engineers to have a strong understanding of computer science principles and programming skills, as well as expertise in distributed data architectures,...

By: Chris Garzon | April 30, 2024 | 8 mins read
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SQL Questions

SQL interview questions: Zoom

To succeed in a SQL interview for a position at Zoom, you need to have a nuanced understanding of how this technology supports the company’s data-driven initiatives. The interview assesses your ability to handle data efficiently, optimize queries for performance, and design robust database systems that align with Zoom’s operational excellence and innovation ethos. This...

By: Chris Garzon | April 29, 2024 | 9 mins read
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Spotify Advance SQL Question

Spotify Advance SQL Question

In Spotify’s data engineering interviews, candidates face advanced SQL queries that test their ability to manage and analyze large datasets. These skills are fundamental to the role. This article provides a detailed explanation of the SQL challenges, including complex data structures, query performance optimization, and analytical problem-solving. These skills are essential to Spotify’s data-centric decision-making...

By: Chris Garzon | April 23, 2024 | 8 mins read
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System Design Free Example: Customer Identity Resolution

Fragmented customer data across disparate systems presents a significant challenge for modern enterprises. Customer Identity Resolution (CIR) emerges as the technical solution, employing algorithms and data science methodologies to unify customer identities and establish a single source of truth. This article dissects the core components of CIR, exploring data matching techniques, probabilistic models, data quality...

By: Chris Garzon | April 16, 2024 | 9 mins read
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Data Engineering: Incremental Data Loading Strategies

Incremental data loading is an approach to data integration that transfers only the new or changed records from one database or data source to another, rather than moving the entire data set. This method is especially beneficial in environments where data changes frequently and data volumes are large, as it significantly reduces the amount of...

By: Chris Garzon | April 12, 2024 | 8 mins read
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