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Data Engineering Weekly #223

Data Engineering Weekly

Dagster Deep Dive: A real-world AI pipeline in action Discover how Dagster's unified control plane enables teams to build reliable, scalable AI/ML systems. link] Wix: 7 Operating System Concepts Every LLM Engineer Should Understand Every platform engineering team desires to build LLM as an intelligence operating system.

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50 PySpark Interview Questions and Answers For 2025

ProjectPro

Hadoop Datasets: These are created from external data sources like the Hadoop Distributed File System (HDFS) , HBase, or any storage system supported by Hadoop. The following methods should be defined or inherited for a custom profiler- profile- this is identical to the system profile.

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Google BigQuery: A Game-Changing Data Warehousing Solution

ProjectPro

Borg, Google's large-scale cluster management system, distributes computing resources for the Dremel tasks. Dremel tasks read data from Google's Colossus file systems through the Jupiter network, conduct various SQL operations, and provide results to the client. The equality operators equal (=), not equal (!=

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HBase Interview Questions and Answers for 2025

ProjectPro

This article will give you a sneak peek into the commonly asked HBase interview questions and answers during Hadoop job interviews. But at that moment, you cannot remember, and then blame yourself mentally for not preparing thoroughly for your Hadoop Job interview. HBase provides real-time read or write access to data in HDFS.

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Databricks Delta Lake: A Scalable Data Lake Solution

ProjectPro

Want to process peta-byte scale data with real-time streaming ingestions rates, build 10 times faster data pipelines with 99.999% reliability, witness 20 x improvement in query performance compared to traditional data lakes, enter the world of Databricks Delta Lake now. This results in a fast and scalable metadata handling system.

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100+ Big Data Interview Questions and Answers 2025

ProjectPro

Typically, data processing is done using frameworks such as Hadoop, Spark, MapReduce, Flink , and Pig, to mention a few. How is Hadoop related to Big Data? Explain the difference between Hadoop and RDBMS. RDBMS is a part of system software used to create and manage databases based on the relational model.

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A Definitive Guide to Using BigQuery Efficiently

Towards Data Science

Like a dragon guarding its treasure, each byte stored and each query executed demands its share of gold coins. Join as we journey through the depths of cost optimization, where every byte is a precious coin. It is also possible to set a maximum for the bytes billed for your query. Photo by Konstantin Evdokimov on Unsplash ?

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