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Few days ago I have noticed that there will be a change (again) in certification paths for next generation of SQL servers. So I would like to recommend some thoughts about this from Microsoft Certified Masters (MCM) of Brent Ozar PLF Company.

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Availability Groups (AG) on named nistances? (Part 1/2)
by Michal Tinthofer on 23/07/2013

SQL Server 2012 introduced AlwaysOn Availability Groups, a feature intended to replace clustering, database mirroring, log shipping, replication, and other technologies by giving us one easy-to-manage feature for high availability, disaster recovery, and

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The Symmetry of Performance: Solving CPU Wait Spikes by Disabling Soft-NUMA
by Michal Kovaľ on 17/02/2026

In high-performance SQL Server environments, how you "slice" your CPU resources is just as important as how many cores you have. We recently tackled a case where a customer was plagued by high SOS_SCHEDULER_YIELD and CXPACKET waits.

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Archiving strategy for DWH
by Michal Tinthofer on 22/04/2021

Recently, we have got a case where our customer requested to implement archiving strategy for their DWH. We wanted to share with you how we approached this and what was the final output.

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