August 2012
Intermediate to advanced
1416 pages
33h 39m
English
book
Microsoft SQL Server 2012 Bible
by Adam Jorgensen, Jorge Segarra, Patrick LeBlanc, Jose Chinchilla, Aaron Nelson
Content preview from Microsoft SQL Server 2012 Bible
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Monitoring Locking and Blocking
SQL Server provides many different avenues for viewing and investigating locking problems. Locking may be investigated through sp_lock, sys.dm_tran_locks, SQL Profiler, PerfMon, and Extended Events, just to name a few.
Viewing Blocking with Management Studio Reports
With Management Studio, transaction information for a server or database may be seen using the Standard Reports, available from the server or database context menu, which pull data from the dynamic management views. The transaction-related reports include All Transactions, All Blocking Transactions (shown in Figure 47.2), Top Transactions by Age, Top Transactions by Blocked Transaction Count, Top Transactions by Lock Count, Resource Locking by Object, and User Statistics.
Figure 47.2 Management Studio's All Blocking Transactions Report is a quick way to view key transaction locking and blocking information.
Viewing Blocking with Activity Monitor
Activity Monitor (see Figure 47.3) includes some useful bits of information that you can use to identify performance issues inside of SQL Server, including locking and blocking information. It's available on the toolbar and in the Object Explorer's server context menu.
Figure 47.3 Activity Monitor displays information about the current locks and any blocking going on. In this instance, spid 54 is blocked by spid 51, which is blocked by spid ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.