Meaning of Data Lake

Simple definition

A data lake is a centralized repository that stores large amounts of raw data in its native format, including structured, semi-structured, and unstructured data.

How to use Data Lake in a professional context

Organizations use data lakes to store diverse datasets like logs, images, and sensor data. Data scientists and analysts then process this data for machine learning, reporting, or other purposes.

Concrete example of Data Lake

A smart city project stores real-time data from traffic sensors, weather updates, and public transport in a data lake. Analysts use this data to optimize traffic flow and reduce congestion.