article thumbnail

What is ELT (Extract, Load, Transform)? A Beginner’s Guide [SQ]

Databand.ai

Often, the extraction process includes checks and balances to verify the accuracy and completeness of the extracted data. The Load Phase After the data is extracted, it’s loaded into a data storage system in the load phase. The data is loaded as-is, without any transformation.

article thumbnail

100+ Big Data Interview Questions and Answers 2023

ProjectPro

This process involves learning to understand the data and determining what needs to be done before the data becomes useful in a specific context. Discovery is a big task that may be performed with the help of data visualization tools that help consumers browse their data. It also discusses several kinds of data.