May 2019
Intermediate to advanced
484 pages
11h 23m
English
Content preview from Learn T-SQL Querying
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Introducing Dynamic Management Views
SQL Server 2005 introduced a new concept in the Database Engine—the SQL Operating System (SQLOS). The SQLOS is an abstraction layer that encapsulates all the low-level resource management and monitoring tasks that the Database Engine must perform, while providing an application programming interface (API) for other components of the Database Engine to leverage these services. Not only does this centralization of resource management code make the Database Engine more efficient, it also provides a central location for monitoring various aspects of Database Engine performance. Dynamic Management Views (DMVs) take advantage of this centralized architecture by providing the user with a mechanism to view this ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.