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00: Data Lake Vs. Data Warehouse Vs. Delta Lake

Modern data architectures will have both the Data Lakes & Data Warehouses.

Q1. What questions do you need to ask for …

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00: Q1 – Q6 Hadoop based Big Data architecture & basics interview Q&As

There are a number of technologies to ingest & run analytical queries over Big Data (i.e. large volume of data). Big …

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01: Lambda, Kappa & Delta Data Architectures Interview Q&As – Overview

Q1. What is the Lambda Architecture? A1. It is a data-processing architecture designed to handle Big Data by using both real-time … … Read more ›...

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02: Q7 – Q15 Hadoop overview & architecture interview Q&As

This extends Q1 – Q6 Hadoop Overview & Architecture interview Q&As. Q7. What are the major machine roles in a … … Read more ›...

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05: Q37-Q41 – Data lake & metadata interview Q&As

Q37. What is a Data Lake? A37. A data lake is a storage repository that holds a vast amount of structured, … … Read more ›...

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08: Q71 – Q75 ETL/ELT on BigData Interview Q&As

Q71. Can ETL in traditional data management (E.g. RDBMs) be migrated to EDH (i.e. Enterprise Data Hub) powered by Hadoop eco … … Read more ›...

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16: Q114 – Q115 CAP theorem interview Q&As

Q114. What does CAP stand for in CAP theorem? A114. In a distributed system having two or more nodes, and maintain … … Read more ›...

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6 Distributed storage & computing systems interview Q&As

Q1. What are the key requirements to be a distributed system?
A1. A distributed system must satisfy the following 3 characteristics.…

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Data categories in Data warehouse & Data lake

Q01. What are the different types of data that get stored in a data lake or data warehouse? A01. An enterprise … … Read more ›...

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