July 2012
Intermediate to advanced
478 pages
10h 3m
English
Content preview from Microsoft SQL Server 2012 Performance Tuning CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Configuring "Optimize for Ad hoc Workloads"
Execution of any query or stored procedure for the first time creates an execution plan, which is stored in SQL Server 's procedure cache memory. It happens many times that we execute a simple query once, which is not even going to be used again anytime soon and it may never run again in future too even execution plan generated for that query will consume space in procedure cache. You may run out of cache sometimes, due to lack of memory, which affects performance. This was really a big issue till SQL Server 2005. In order to remedy this, Microsoft introduced "Optimize for Ad hoc Workloads" in SQL Server 2008, and it is still available in SQL Server 2012. This setting is instance-wide in SQL Server. ...
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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.