PARALLELISM is a close friend of DBA where you get to see it as a common occurence in the multi-processor server environment and during such performance issues you can also investigate whether a parallel plan is in use. For instance If a particular query is slow when it is using a parallel plan, you can try forcing a non-parallel plan by using the ...

UPDATE STATISTICS is very helpful to get the performance by updating the distribution of key values for one or more statistics groups or set of collections in the specified table or indexed view. So how this is handled within the SQL Server, you may be aware that SQL 2000 version uses a counter (rowmodctr) to track row modification and within SQL ...