Remove 2022 Remove Data Storage Remove Media Remove Non-relational Database
article thumbnail

Data Collection for Machine Learning: Steps, Methods, and Best Practices

AltexSoft

According to PwC Customer Loyalty Survey 2022 , four out of five people are willing to share some personal information — like age or date of birthday — for a better experience. Key questions to answer for data collection. Find sources of relevant data. Choose data collection methods and tools.

article thumbnail

100+ Data Engineer Interview Questions and Answers for 2023

ProjectPro

Below are some big data interview questions for data engineers based on the fundamental concepts of big data, such as data modeling, data analysis , data migration, data processing architecture, data storage, big data analytics, etc. What is meant by Aggregate Functions in SQL?