September 2007
Intermediate to advanced
448 pages
13h 52m
English
book
Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
by Kalen Delaney, Sunil Agarwal, Craig Freedman, Ron Talmage, Adam Machanic
Content preview from Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
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New Tools for Troubleshooting Concurrency
SQL Server 2005 adds some important new tools for troubleshooting concurrency issues. It still includes legacy tools such as system stored procedures like sp_who2, Perfmon counters, and the SQL Trace/Profiler tool for troubleshooting concurrency problems, but expands your toolkit even further.
For detection and analysis of concurrency problems, SQL Server 2005’s new tools include:
DMVs, in particular sys.dm_os_wait_stats and sys.dm_os_waiting_tasks.
The enhanced SQLDiag.exe utility, which gathers information about a running system.
Row-versioning–based isolation options (the SNAPSHOT and READ COMMITTED SNAPSHOT isolation levels)
The new 1222 trace flag and the Deadlock Graph event class in SQL Trace for ...
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