Merge pull request #1 from lingluo0531/lingluo0531-patch-1

Update data-lake-analytics-u-sql-get-started.md

Author: lingluo0531

articles/data-lake-analytics/data-lake-analytics-u-sql-get-started.md

@@ -12,7 +12,7 @@ U-SQL is a language that combines declarative SQL with imperative C# to let you
 
 ## Learning resources
 
-* The [U-SQL Tutorial](https://aka.ms/usqltutorial) provides a guided walkthrough of most of the U-SQL language. This document is recommended reading for all developers wanting to learn U-SQL.
+* The [U-SQL Tutorial](/u-sql/concepts) provides a guided walkthrough of most of the U-SQL language. This document is recommended reading for all developers wanting to learn U-SQL.
 * For detailed information about the **U-SQL language syntax**, see the [U-SQL Language Reference](/u-sql/).
 * To understand the **U-SQL design philosophy**, see the Visual Studio blog post [Introducing U-SQL – A Language that makes Big Data Processing Easy](https://blogs.msdn.microsoft.com/visualstudio/2015/09/28/introducing-u-sql-a-language-that-makes-big-data-processing-easy/).
 
@@ -220,4 +220,4 @@ For advanced aggregation scenarios, see the U-SQL reference documentation for [a
 ## Next steps
 
 * [Overview of Microsoft Azure Data Lake Analytics](data-lake-analytics-overview.md)
-* [Develop U-SQL scripts by using Data Lake Tools for Visual Studio](data-lake-analytics-data-lake-tools-get-started.md)
+* [Develop U-SQL scripts by using Data Lake Tools for Visual Studio](data-lake-analytics-data-lake-tools-get-started.md)