June 2015
Intermediate to advanced
1800 pages
70h 6m
English
book
Microsoft SQL Server 2014 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
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optimize for ad hoc workloads
Type: Advanced
Default value: 0
The optimize for ad hoc workloads option is used to improve the efficiency of the plan/procedure cache for workloads that contain many single-use ad hoc batches. When this option is set to 1, the Database Engine stores a small compiled plan stub in the plan/procedure cache when a batch is compiled for the first time, instead of the full compiled plan. This helps to relieve memory pressure by not allowing the plan/procedure cache to become filled with compiled plans that are not reused. The compiled plan stub allows SQL Server to recognize that this ad hoc batch has been compiled before but has stored only a compiled plan stub, so when this batch is invoked (compiled or executed) again, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.