What is Data Lake ?
- A Data Lake is a storage repository that can store large amount of structured, semi-structured, and unstructured data.
- It is a place to store every type of data in its native format with no fixed limits on account size or file.
- It offers high data quantity to increase analytic performance and native integration.
- Data Lake is like a large container which is very similar to real lake and rivers.
- Just like in a lake you have multiple tributaries coming in, a data lake has structured data, unstructured data, machine to machine, logs flowing through in real-time .
- Unlike a hierarchal Data Warehouse where data is stored in Files and Folder, Data lake has a flat architecture.
- Every data elements in a Data Lake is given a unique identifier and tagged with a set of metadata information.