Occasionally, I encounter issues with the TFS data warehouse failing to refresh. Sometimes, it's as simple as the VS TFS Task Scheduler service isn't started but other times, it's more complicated. Here's a helpful troubleshooting document up on MSDN for troubleshooting the SQL Server TFSWarehouse relational table / Operational Data Store (ODS). If you're expereincing issues with Analysis Services (SSAS) and/or the cubes, reference this one.
As a senior technology professional, I interview a lot of candidates. I also maintain solid relationships with other folks in the community. Frequently, the topic of certifications arises: A good investment? Valuable? A clear measurement of skill? Consensus appears to draw the line related to one's seniority. If you're (for example) just out of school and looking for an instant creditability boost, by all means pursue a certification. Likely, this credential will assist you in overcoming the "junior" tag and likely land you more interviews and client roles. (Note: I'm going to use the terms senior and junior here...no offense to either. Can't think of a better one word description. I was a junior once too.) In stark contrast, the value of certifications drops off the table around the 2-3 year mark. Some in my circles even perceive certifications as a negative for the senior professional. They think, "If this guy is so solid, why is he wasting valuable...
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