October 2020
Beginner to intermediate
448 pages
13h 6m
English
This chapter covers
Creating reusable data access objects with U-SQL views, table-valued functions, and tables
Staging data for reuse with U-SQL tables
Using window functions for aggregation queries
Adding custom inline C# functions to U-SQL scripts
In the last chapter, you learned how to create an Azure Data Lake Analytics (ADLA) account and how to build and run simple jobs. In this chapter, you’ll build on that knowledge by writing more complex queries. Because U-SQL scripts compile into C# programs, you can use many C# features within U-SQL expressions.
You’ll compare methods of structuring U-SQL for reuse, including creating indexed data stores in the U-SQL Catalog.
You’ll use C# language features ...
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