Data Lake Analytics (DLA) is a serverless, in-cloud interactive query and analysis service. DLA allows you to run standard SQL statements to analyze different types of data, including but not limited to:
Data in user-created MySQL, SQL Server, and PostgreSQL databases.
Taking using DLA to analyze OSS data as an example, Quick Start describes how to activate DLA, initialize the password of the DLA primary database account, create OSS schemas, create OSS tables, and run SQL statements. In this way, it helps you understand how to use DLA.