Final answer:
Data Lake Analytics is the most appropriate solution to use for querying and transforming data to extract insights in Azure Big Data.
Step-by-step explanation:
The most appropriate solution to use for querying and transforming data to extract insights in Azure Big Data is Data Lake Analytics. Data Lake Analytics is a cloud-based service that allows you to run big data analytics jobs on large amounts of data stored in Azure Data Lake Store. It provides a scalable and cost-effective solution for processing and analyzing big data.
With Data Lake Analytics, you can use U-SQL language to query and transform data. U-SQL is a powerful language that combines the simplicity of SQL and the expressiveness of C#.
By using Data Lake Analytics, you can easily extract valuable insights from your big data and make informed decisions based on the analysis.