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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...

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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,...

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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...

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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...

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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...

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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...

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10 Best ETL Tools 2024

ETL tools automate processes, improve data accuracy, and generate valuable insights. This article reviews the top 10 ETL tools of this year, focusing on their distinctive features, scalability, ease of use, and overall performance. It is intended for data engineers looking to expand their toolkit with the latest ETL technologies, as well as business leaders...

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What is A Graph Database?

Graph databases are a specialized category of database technologies that efficiently display, store, and query relationships between data objects. They use the concept of graph theory, structuring data as nodes (entities) and edges (relationships), each of which can potentially be decorated with properties to provide context. Graph databases differ significantly from traditional relational databases by...

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Data Orchestration: Process and Benefits

Data engineers today face the formidable task of managing increasingly complex data pipelines. With data pouring in from diverse sources and the demand for real-time insights growing, ensuring smooth and efficient data workflows is crucial. This is where data orchestration tools come in, offering automation and control to streamline the entire data journey, from extraction...

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Data Engineering Best Practices

Data engineering, at its core, is about architecting systems that can not only handle the volume, variety, and velocity of data but also deliver insights with precision and speed. As we unpack the essence of what constitutes best practices in data engineering, we do so with an eye towards the tangible impact these practices have...

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How to Validate Datatypes in Python

This article isn’t just about the ‘how’ — it’s an exploration of the best practices and methodologies seasoned data engineers employ to enforce data types rigorously. We’ll dissect the spectrum of techniques available in Python, from native type checking to leverage robust third-party libraries and distill these into actionable insights and patterns you can readily...

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15 Common Snowflake Interview Questions

Stepping into the data engineering interviews, particularly for a platform as specialized as Snowflake, can be both an exciting and daunting prospect. Whether you’re a seasoned data engineer or just starting your data journey, understanding the nuances of Snowflake is key to acing your interview. This article presents 15 common Snowflake interview questions that encapsulate...

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Data Pipeline Design Patterns

Data pipeline design patterns are the blueprint for constructing scalable, reliable, and efficient data processing workflows. These patterns provide a structured approach to solving common data pipeline challenges, such as handling large volumes of data, processing data in real-time, and ensuring data quality. By leveraging these design patterns, businesses can streamline their data operations, reduce...

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Data Engineering Projects for Beginners

In the era where every click, swipe, and interaction translates into data, the role of the data engineer has emerged as crucial. Data engineer profession that has rapidly ascended to the forefront of the tech industry, celebrated for its complexity, demand, and the pivotal role it plays in leveraging data for business success. For those...

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How to Become a Prompt Engineer

Prompt engineering it’s not really “programming,” it’s a new field to learn and help develop “the effective prompts that steer AI to produce desired outcomes” between people and the machine. And for that, AI’s growth is nurturing a surging demand for experts who can steer it to produce desired outcomes. Prompt engineering is the perfect...

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