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This 30-day roadmap is designed for data engineers preparing for FAANG interviews, leveraging only free, high-quality resources. The plan is structured to build foundational knowledge, advance to complex queries, and…
Read moreHere’s a structured 30-day Python program for data engineers targeting FAANG interviews, using free resources from the search results: Week 1-2: Core Python & Data Structures Days 1-7: Python Fundamentals…
Read moreHere is a comprehensive 1-month study plan and complete study material outline for learning Apache Spark, designed for easy copying and practical learning. This plan covers fundamentals, core concepts, ecosystem…
Read moreIntroduction In today’s fast-paced digital world, artificial intelligence (AI) is no longer just the domain of tech giants and sci-fi movies. It’s becoming your personal finance advisor, security guard, and…
Read moreQuestion: Suppose you have a 10gb textfile. Write the function to read the file line by line without loading the entire file into memory.Answer: def read_large_file(file_path): with open(file_path, ‘r’, encoding=’utf-8′)…
Read more1. Modular DesignMethod: Broke the ETL into logical modules:Ingestion Layer: Raw data from S3 or APIsTransformation Layer: Cleansing, enrichment, joiningLoad Layer: Write to Redshift, S3Validation Layer: Perform data quality checks after load Advantages:Simple to test or rerun one moduleExchange transformation logic without laying hands on ingestion. 2.…
Read moreThe technology universe is in continuous evolution, where emerging innovations redraft industries, lives, and even our thought process regarding what’s to come. As we enter 2025, the swift rate of transformation in arenas such as artificial intelligence, quantum computing, and biotechnology further pushes the parameters of what is possible. We’ll look into some of the most promising advancements that are buzzing presently in this article. 1. Generative AI: A Quantum Leap in Productivity and CreativityArtificial Intelligence (AI) has existed for some time, but its strength has now reached a record high. Especially, generative AI—models…
Read moreIn today’s fast-paced digital economy, data is the new oil—but only if it’s refined, structured, and available in real time. This is where data engineering plays a crucial role. With…
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