Stairway to U-SQL Level 19: Azure Data Lake Metadata with PowerShell
Need to inspect your Data Lake objects and files? Want to automate the process? Find out how with PowerShell.
2018-03-07
617 reads
Mike McQuillan
Stairway to U-SQL Level 17: Executing U-SQL Jobs with PowerShell
Automate your Data Lake with PowerShell! Learn how PowerShell can be used to execute U-SQL scripts, as well as a few other little tricks.
2017-09-20
1,119 reads
Stairway to U-SQL Level 15: U-SQL Global Scalar Functions With C#
In this article, see how to created shared functions using C# assemblies in U-SQL.
2017-06-14
942 reads
Stairway to U-SQL Level 14: Local U-SQL Scalar Functions with C#
Learn how U-SQL leverages C# to support flexible scalar functions in your scripts.
2017-05-31
1,173 reads
Stairway to U-SQL Level 13: SQL.MAP
We met SQL.ARRAY in the last step. Now say hello to SQL.MAP, which can store pairs of values.
2017-03-01
1,696 reads
Stairway to U-SQL Level 12: SQL.ARRAY and CROSS APPLY EXPLODE
U-SQL introduces two new data types - SQL.ARRAY and SQL.MAP. Here, we look at what we can do with SQL.ARRAY and the CROSS APPLY EXPLODE expression.
2017-01-11
2,881 reads
Stairway to U-SQL Level 11: Stored Procedures
To finish off our look at the core database objects, we inspect how the venerable stored procedure works in U-SQL.
2016-11-16
2,214 reads
Using OVER() to Remove Duplicate Rows
Tables used purely for reporting sometimes lack a unique identifier. Find out how to remove duplicates from such a table when data loads go bad.
2016-11-08
6,980 reads
Using OVER() to Fix Bad Version Numbers
See how the OVER() clause was used in a live system to fix overlapping field version numbers.
2016-10-17
2,409 reads
Stairway to U-SQL Level 10: Table-Valued Functions and UDTs
Table-Valued Functions and User-Defined Types can help you write parameterised U-SQL views in an elegant manner. They also aid code reuse.
2016-10-12
2,892 reads
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Question of the Day
BIT_COUNT() III
In SQL Server 2025, I run this code:
select bit_count(-1)What is returned? See possible answers