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As Microsoft continues to expand the Azure platform, they have enhanced its ability in ways that are quite different from what we've come to expect from SQL Server. Learn about the new language from Microsoft, U-SQL, designed to work with Data Lakes and Big Data in Azure.

Stairway to U-SQL Level 1: Introduction to U-SQL and Azure Data Lakes

An introductory guide to querying files in Azure Data Lakes using Microsoft's U-SQL language.  Read more...
By Mike McQuillan 2016/06/15 | Source: SQLServerCentral.com | Category: azure
Rating: |  Discuss |   Briefcase | 5,419 reads

Stairway to U-SQL Level 2: Breakdown of a U-SQL Statement

Following on from our introduction to U-SQL, we take a look at how a typical U-SQL statement is constructed.  Read more...
By Mike McQuillan 2016/06/22 | Source: SQLServerCentral.com | Category: usql
Rating: |  Discuss |   Briefcase | 3,725 reads

Stairway to U-SQL Level 3: Processing Multiple Files With U-SQL

In part 3 of the U-SQL Stairway, we look at how multiple files can be processed with a single U-SQL statement.  Read more...
By Mike McQuillan 2016/07/06 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,867 reads

Stairway to U-SQL Level 4: U-SQL and Data Lake Tooling with Visual Studio

A guide to using Visual Studio to create U-SQL projects and scripts.  Read more...
By Mike McQuillan 2016/07/20 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,271 reads

Stairway to U-SQL Level 5: Databases and Tables in Azure Data Lakes with U-SQL

A guide to using databases, schemas and tables in Azure Data Lakes, using (of course!) U-SQL.  Read more...
By Mike McQuillan 2016/07/27 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 523 reads

Stairway to U-SQL Level 6: U-SQL Indexes and Partition Schemes

Find out how to speed up your queries by indexing and partitioning data, U-SQL style.  Read more...
By Mike McQuillan 2016/08/10 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,207 reads

Stairway to U-SQL Level 7: More Partition Schemes

Following on from our previous introduction to indexes and partition schemes, we review the distribution schemes used by horizontal partitioning.  Read more...
By Mike McQuillan 2016/08/24 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 828 reads

Stairway to U-SQL Level 8: Joining Tables in U-SQL

U-SQL provides a number of ways to join data sources together. This articles introduces the joins available and how you can use them.  Read more...
By Mike McQuillan 2016/09/14 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,574 reads

Stairway to U-SQL Level 9: Views and C# Expressions

Learn how U-SQL views can hide complexity and use C# expressions, providing powerful ways to format and return your data.  Read more...
By Mike McQuillan 2016/10/05 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,091 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.  Read more...
By Mike McQuillan 2016/10/12 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,609 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.  Read more...
By Mike McQuillan 2016/11/16 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,420 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.  Read more...
By Mike McQuillan 2017/01/11 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 1,469 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.  Read more...
By Mike McQuillan 2017/03/01 | Source: SQLServerCentral.com | Category: u-sql
Rating: |  Discuss |   Briefcase | 910 reads
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