SQL MCM Training – Day 0

For the next 3 weeks I’m in Bellevue/WA for the SQL MCM training provided by Paul Randal, Kimberly Tripp, Jonathan Kehayias, and Bob Beauchemin of SQLskills.com. So don’t expect any technical weblog posting from me within that time. I’m sitting in the following 3 training classes: Performance Tuning (5 days) ...

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My SQLbits sessions

Since today its official, I’m presenting 2 sessions at the SQLbits conference in Liverpool (http://www.sqlbits.com) from September 30 – October 1. Here are both of my session abstracts: Advanced SQL Server 2008 Troubleshooting It’s Friday, 05:00pm. You are just receiving an email that informs you that your SQL Server has ...

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The mystery of the NULL bitmap mask

In today’s weblog post I want to talk about the NULL bitmap mask and some mysteries that you can encounter with it. The NULL bitmap mask encodes at the Storage Engine level which column stores a NULL value and which not. It’s a simple bitmap mask, where a set bit ...

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Replaying workloads with the RML Utilities

In today’s weblog posting I want to talk about replaying SQL Server workloads with the RML Utilities. RML Utilities stands for Replay Markup Language Utilities and are provided by Microsoft as a free download. You can download them here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=7EDFA95A-A32F-440F-A3A8-5160C8DBE926. I have first encountered the RML Utilities when I read ...

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