A data lake can be established “on premises” (within an organization’s data centers) or “in the cloud” (using cloud services from vendors such as Amazon, Microsoft, or Google). Poorly managed data lakes have been facetiously called data swamps.

How does Azure data lake store data?

Data Lake Storage Gen1 containers for data are essentially folders and files. You operate on the stored data using SDKs, the Azure portal, and Azure Powershell. If you put your data into the store using these interfaces and using the appropriate containers, you can store any type of data.

Does data lake store historical data?

Data lakes are commonly used to store both raw and processed data. There is often a need to keep historical data in its original format. Original raw data can have many uses including: Error recovery.