Troubleshooting Database Performance
By the time you are troubleshooting database performance, you are typically trying to resolve a specific known issue. Consequently, there is less of a methodology because it's more of a matter of using the appropriate tool to troubleshoot the known issue.
In some cases, however, you are more interested in getting metrics on the database globally, such as with the number of connections, transactions, amount of blocking, and other key statistical information.
Troubleshooting Tools
Microsoft has introduced some really great tools to troubleshoot database performance at both the high level and the low level in this release of SQL Server. We highly encourage you to look at all of them in depth to get an understanding ...
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