Remove Big Data Tools Remove Non-relational Database Remove Systems Remove Transportation
article thumbnail

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

AltexSoft

It includes manual data entries, online surveys, extracting information from documents and databases, capturing signals from sensors, and more. Data integration , on the other hand, happens later in the data management flow. For this task, you need a dedicated specialist — a data engineer or ETL developer.

article thumbnail

100+ Data Engineer Interview Questions and Answers for 2023

ProjectPro

Top 100+ Data Engineer Interview Questions and Answers The following sections consist of the top 100+ data engineer interview questions divided based on big data fundamentals, big data tools/technologies, and big data cloud computing platforms. System for querying online databases.