article thumbnail

Expert Roundtable: Batch vs Streaming in the Modern Data Stack [Video]

Rockset

Andreas Kretz is a Germany-based consultant and CEO of LearnDataEngineering.com , which provides online courses for budding data engineers as well as recruiting services for companies. They tackled the topic, “SQL versus NoSQL Databases in the Modern Data Stack.” You can read the TLDR blog summary of the highlights here.

Bytes 52
article thumbnail

How Big Data Analysis helped increase Walmarts Sales turnover?

ProjectPro

2014 Kaggle Competition Walmart Recruiting – Predicting Store Sales using Historical Data Description of Walmart Dataset for Predicting Store Sales What kind of big data and hadoop projects you can work with using Walmart Dataset? One petabyte is equivalent to 20 million filing cabinets; worth of text or one quadrillion bytes.

article thumbnail

100+ Big Data Interview Questions and Answers 2023

ProjectPro

Big Data Interview Questions and Answers for Freshers If you are a fresher appearing for a big data interview, the recruiter will ask the most basic big data interview questions for freshers like “What is Big Data?” Data Storage: The next step after data ingestion is to store it in HDFS or a NoSQL database such as HBase.