If you have an issue with a slow part of a site after a large dataload, that you can't replicate after a DB restore, it's likely you could be dealing with a similar issue.
Stored Procedure in SQL Server can be defined as the set of logically group of SQL statement which are grouped to perform a specific task. This article will describe the Stored Procedure in SQL Server and their benefits.
Using logon trigger, users from valid IP addresses can be restricted, but what if you forgot to add in safe list. You will be unable to login though you have sysadmin rights. Use DAC to disable logon trigger.
In SQL Server 2005, there is no way to find out WHO AND WHEN someone changed the compatibility level of a database. Here is a trick for this functionality.