John Welch
John Welch is BI Architect with Varigence. Varigence builds tools and frameworks that enable the creation and management of end-to-end business intelligence solutions with unprecedented ease and speed. John has been working with business intelligence and data warehousing technologies since 2001, with a focus on Microsoft products in heterogeneous environments. He is a Microsoft Most Valued Professional (MVP), an award given due to his commitment to sharing his knowledge with the IT community. John is an experienced speaker, having given presentations at Professional Association for SQL Server (PASS) conferences, the Microsoft Business Intelligence conference, Software Development West (SD West), Software Management Conference (ASM/SM), and others. He has also contributed to three recent books on SQL Server 2008, “Microsoft SQL Server 2008 Management and Administration”, "Smart Business Intelligence Solutions with Microsoft SQL Server 2008", and “SQL Server MVP Deep Dives”.
John writes a blog on business intelligence and SSIS topics at http://agilebi.com/jwelch. He is active in open source projects that help ease the development process for Microsoft BI developers, including BIDS Helper (http://bidshelper.codeplex.com), an add-in for Business Intelligence Development Studio that adds commonly needed functionality to the environment. He is also the lead developer on ssisUnit (http://ssisunit.codeplex.com), a unit testing framework for SSIS.
Do you have complex dimensions in your data warehouse? Parent-child, late arriving, type 3 or type 6? In this session, we'll cover some SSIS patterns for handling each of these, along with tips for making them perform well.
Unit testing is incredibly beneficial, but is very difficult to do effectively in SSIS. If you have wanted to do this, but aren't sure how, this session will cover the options and demonstrate a free tool for unit testing packages.
Blog posts