Azure Data Lake is a cloud-based object storage solution in Blob storage.
It works with as Azure Data Factory services tool which is used to developing and operating the “Extract Transfer Load (ETL)” and Processes.

The Data Lake Solutin Can Built with below PaaA(platform as a service) tools

1. Azure Data Lake Storage
2. Data Lake Analytics
3. HDInsight

Advantages

1. Consolidate your data into one place
2. Make use of Hadoop and other amazing tools
3. A Cost-effective solution
4. It’s secure and compliant
5. Developer friendly platform
6. Easily integrate with Microsoft Big Data Platform