New DMV–yes… no… that’s complicated
Remember the excitement about new sys.dm_exec_query_profiles DMV? It promised to be a gamechanger, providing query visibility at a runtime and easily extractable information about heavy iterators in...
View Articlesys.dm_exec_query_profiles – FAQ
As you probably know, this DMV is new in SQL Server 2014. It had been first announced in CTP1 but only in BOL . Now in CTP2 everyone can “play” with it. Since BOL is a little bit unclear...
View ArticleDelayed Durability–I start to like it!
In my previous post about the subject I’ve complained that according to BOL , this feature is enabled for Hekaton only. Panagiotis Antonopoulos from Microsoft commented that actually BOL is wrong –...
View ArticleUpdateable columnstore index gotchas
SQL Server 2014 introduces updateable nonclustered and clustered columnstore indexes. When new data is inserted, it goes first to deltastore where background process divides it into row groups, indexes...
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